The Collaborative International Dictionary of English v.0.48:

Slip \Slip\, n. [AS. slipe, slip.]
   1. The act of slipping; as, a slip on the ice.
      [1913 Webster]

   2. An unintentional error or fault; a false step.
      [1913 Webster]

            This good man's slip mended his pace to martyrdom.
                                                  --Fuller.
      [1913 Webster]

   3. A twig separated from the main stock; a cutting; a scion;
      hence, a descendant; as, a slip from a vine.
      [1913 Webster]

            A native slip to us from foreign seeds. --Shak.
      [1913 Webster]

            The girlish slip of a Sicilian bride. --R. Browning.
      [1913 Webster]

   4. A slender piece; a strip; as, a slip of paper.
      [1913 Webster]

            Moonlit slips of silver cloud.        --Tennyson.
      [1913 Webster]

            A thin slip of a girl, like a new moon
            Sure to be rounded into beauty soon.  --Longfellow.
      [1913 Webster]

   5. A leash or string by which a dog is held; -- so called
      from its being made in such a manner as to slip, or become
      loose, by relaxation of the hand.
      [1913 Webster]

            We stalked over the extensive plains with Killbuck
            and Lena in the slips, in search of deer. --Sir S.
                                                  Baker.
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   6. An escape; a secret or unexpected desertion; as, to give
      one the slip. --Shak.
      [1913 Webster]

   7. (Print.) A portion of the columns of a newspaper or other
      work struck off by itself; a proof from a column of type
      when set up and in the galley.
      [1913 Webster]

   8. Any covering easily slipped on. Specifically:
      (a) A loose garment worn by a woman.
      (b) A child's pinafore.
      (c) An outside covering or case; as, a pillow slip.
      (d) The slip or sheath of a sword, and the like. [R.]
          [1913 Webster]

   9. A counterfeit piece of money, being brass covered with
      silver. [Obs.] --Shak.
      [1913 Webster]

   10. Matter found in troughs of grindstones after the grinding
       of edge tools. [Prov. Eng.] --Sir W. Petty.
       [1913 Webster]

   11. Potter's clay in a very liquid state, used for the
       decoration of ceramic ware, and also as a cement for
       handles and other applied parts.
       [1913 Webster]

   12. A particular quantity of yarn. [Prov. Eng.]
       [1913 Webster]

   13. An inclined plane on which a vessel is built, or upon
       which it is hauled for repair.
       [1913 Webster]

   14. An opening or space for vessels to lie in, between
       wharves or in a dock; as, Peck slip. [U. S.]
       [1913 Webster]

   15. A narrow passage between buildings. [Eng.]
       [1913 Webster]

   16. A long seat or narrow pew in churches, often without a
       door. [U. S.]
       [1913 Webster]

   17. (Mining.) A dislocation of a lead, destroying continuity.
       --Knight.
       [1913 Webster]

   18. (Engin.) The motion of the center of resistance of the
       float of a paddle wheel, or the blade of an oar, through
       the water horozontally, or the difference between a
       vessel's actual speed and the speed which she would have
       if the propelling instrument acted upon a solid; also,
       the velocity, relatively to still water, of the backward
       current of water produced by the propeller.
       [1913 Webster]

   19. (Zool.) A fish, the sole.
       [1913 Webster]

   20. (Cricket) A fielder stationed on the off side and to the
       rear of the batsman. There are usually two of them,
       called respectively short slip, and long slip.
       [1913 Webster]
       [1913 Webster]

   22. (Mach.)
       (a) The retrograde movement on a pulley of a belt as it
           slips.
       (b) In a link motion, the undesirable sliding movement of
           the link relatively to the link block, due to
           swinging of the link.
           [Webster 1913 Suppl.]

   23. (Elec.) The difference between the actual and synchronous
       speed of an induction motor.
       [Webster 1913 Suppl.]

   23. (Marine Insurance) A memorandum of the particulars of a
       risk for which a policy is to be executed. It usually
       bears the broker's name and is initiated by the
       underwrites.
       [Webster 1913 Suppl.]

   To give one the slip, to slip away from one; to elude one.


   Slip dock. See under Dock.

   Slip link (Mach.), a connecting link so arranged as to
      allow some play of the parts, to avoid concussion.

   Slip rope (Naut.), a rope by which a cable is secured
      preparatory to slipping. --Totten.

   Slip stopper (Naut.), an arrangement for letting go the
      anchor suddenly.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Slip \Slip\, v. t.
   1. To cause to move smoothly and quickly; to slide; to convey
      gently or secretly.
      [1913 Webster]

            He tried to slip a powder into her drink.
                                                  --Arbuthnot.
      [1913 Webster]

   2. To omit; to loose by negligence.
      [1913 Webster]

            And slip no advantage
            That my secure you.                   --B. Jonson.
      [1913 Webster]

   3. To cut slips from; to cut; to take off; to make a slip or
      slips of; as, to slip a piece of cloth or paper.
      [1913 Webster]

            The branches also may be slipped and planted.
                                                  --Mortimer.
      [1913 Webster]

   4. To let loose in pursuit of game, as a greyhound.
      [1913 Webster]

            Lucento slipped me like his greyhound. --Shak.
      [1913 Webster]

   5. To cause to slip or slide off, or out of place; as, a
      horse slips his bridle; a dog slips his collar.
      [1913 Webster]

   6. To bring forth (young) prematurely; to slink.
      [1913 Webster]

   To slip a cable. (Naut.) See under Cable.

   To slip off, to take off quickly; as, to slip off a coat.


   To slip on, to put on in haste or loosely; as, to slip on a
      gown or coat.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Slip \Slip\, v. i. [imp. & p. p. Slipped; p. pr. & vb. n.
   Slipping.] [OE. slippen; akin to LG. & D. slippen, MHG.
   slipfen (cf. Dan. slippe, Sw. slippa, Icel. sleppa), and fr.
   OE. slipen, AS. sl[imac]pan (in comp.), akin to G. schleifen
   to slide, glide, drag, whet, OHG. sl[imac]fan to slide,
   glide, make smooth, Icel. sl[imac]pa to whet; cf. also AS.
   sl?pan, Goth. sliupan, OS. slopian, OHG. sliofan, G.
   schliefen, schl?pfen, which seem to come from a somewhat
   different root form. Cf. Slope, n.]
   1. To move along the surface of a thing without bounding,
      rolling, or stepping; to slide; to glide.
      [1913 Webster]

   2. To slide; to lose one's footing or one's hold; not to
      tread firmly; as, it is necessary to walk carefully lest
      the foot should slip.
      [1913 Webster]

   3. To move or fly (out of place); to shoot; -- often with
      out, off, etc.; as, a bone may slip out of its place.
      [1913 Webster]

   4. To depart, withdraw, enter, appear, intrude, or escape as
      if by sliding; to go or come in a quiet, furtive manner;
      as, some errors slipped into the work.
      [1913 Webster]

            Thus one tradesman slips away,
            To give his partner fairer play.      --Prior.
      [1913 Webster]

            Thrice the flitting shadow slipped away. --Dryden.
      [1913 Webster]

   5. To err; to fall into error or fault.
      [1913 Webster]

            There is one that slippeth in his speech, but not
            from his heart.                       --Ecclus. xix.
                                                  16.
      [1913 Webster]

   To let slip, to loose from the slip or noose, as a hound;
      to allow to escape.
      [1913 Webster]

            Cry, "Havoc," and let slip the dogs of war. --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pew \Pew\ (p[=u]), n. [OE. pewe, OF. puie parapet, balustrade,
   balcony, fr. L. podium an elevated place, a jutty, balcony, a
   parapet or balcony in the circus, where the emperor and other
   distinguished persons sat, Gr. po`dion, dim. of poy`s,
   podo`s, foot; -- hence the Latin sense of a raised place
   (orig. as a rest or support for the foot). See Foot, and
   cf. Podium, Poy.]
   1. One of the compartments in a church which are separated by
      low partitions, and have long seats upon which several
      persons may sit; -- sometimes called slip. Pews were
      originally made square, but are now usually long and
      narrow.
      [1913 Webster]

   2. Any structure shaped like a church pew, as a stall,
      formerly used by money lenders, etc.; a box in theater; a
      pen; a sheepfold. [Obs.] --Pepys. --Milton.
      [1913 Webster]

   Pew opener, an usher in a church. [Eng.] --Dickens.
      [1913 Webster]

WordNet (r) 3.0 (2006):

slip
    n 1: a socially awkward or tactless act [syn: faux pas,
         gaffe, solecism, slip, gaucherie]
    2: a minor inadvertent mistake usually observed in speech or
       writing or in small accidents or memory lapses etc. [syn:
       slip, slip-up, miscue, parapraxis]
    3: potter's clay that is thinned and used for coating or
       decorating ceramics
    4: a part (sometimes a root or leaf or bud) removed from a plant
       to propagate a new plant through rooting or grafting [syn:
       cutting, slip]
    5: a young and slender person; "he's a mere slip of a lad"
    6: a place where a craft can be made fast [syn: mooring,
       moorage, berth, slip]
    7: an accidental misstep threatening (or causing) a fall; "he
       blamed his slip on the ice"; "the jolt caused many slips and
       a few spills" [syn: slip, trip]
    8: a slippery smoothness; "he could feel the slickness of the
       tiller" [syn: slickness, slick, slipperiness, slip]
    9: artifact consisting of a narrow flat piece of material [syn:
       strip, slip]
    10: a small sheet of paper; "a receipt slip" [syn: slip, slip
        of paper]
    11: a woman's sleeveless undergarment [syn: chemise, shimmy,
        shift, slip, teddy]
    12: bed linen consisting of a cover for a pillow; "the burglar
        carried his loot in a pillowcase" [syn: case,
        pillowcase, slip, pillow slip]
    13: an unexpected slide [syn: skid, slip, sideslip]
    14: a flight maneuver; aircraft slides sideways in the air [syn:
        slip, sideslip]
    15: the act of avoiding capture (especially by cunning) [syn:
        slip, elusion, eluding]
    v 1: move stealthily; "The ship slipped away in the darkness"
         [syn: steal, slip]
    2: insert inconspicuously or quickly or quietly; "He slipped
       some money into the waiter's hand"
    3: move obliquely or sideways, usually in an uncontrolled
       manner; "the wheels skidded against the sidewalk" [syn:
       skid, slip, slue, slew, slide]
    4: get worse; "My grades are slipping" [syn: slip, drop off,
       drop away, fall away]
    5: move smoothly and easily; "the bolt slipped into place";
       "water slipped from the polished marble"
    6: to make a mistake or be incorrect [syn: err, mistake,
       slip]
    7: pass on stealthily; "He slipped me the key when nobody was
       looking" [syn: slip, sneak]
    8: move easily; "slip into something comfortable"
    9: cause to move with a smooth or sliding motion; "he slipped
       the bolt into place"
    10: pass out of one's memory [syn: slip, slip one's mind]
    11: move out of position; "dislocate joints"; "the artificial
        hip joint luxated and had to be put back surgically" [syn:
        dislocate, luxate, splay, slip]

Moby Thesaurus II by Grady Ward, 1.0:

668 Moby Thesaurus words for "slip":
   Mystik tape, Scotch tape, accord, adhesive tape, administer,
   adolescent, advance, afford, afghan, allot, allow, amplitude,
   anchor, anchorage, anchorage ground, atrocity, avalanche,
   avoidance, avoiding reaction, award, babe, baby, backslide,
   bad job, balk, band, bandage, bantam, banty, basin, batten,
   be all thumbs, bed linen, bedclothes, bedcover, bedding, bedsheet,
   bedspread, belt, berth, bestow, bestow on, bevue, bine, blab,
   blanket, bloomer, blooper, blue, blueprint, blunder, blunder away,
   blunder into, blunder on, blunder upon, blurt out, bobble, boggle,
   bonehead play, boner, boo-boo, boob, botch, bough, branch,
   branchedness, branchiness, breach, break away, breakout,
   breakwater, broad, buck-passing, buffalo robe, bulkhead, bull,
   bulletin board, bumble, bungle, burgeon, butcher, button, camber,
   card, case, catalog card, cellophane tape, chick, china clay,
   china stone, chit, circumvention, clay, cloth tape, clothes,
   clumsy performance, coast, cold-type proof, colleen, color proof,
   come down, come out with, comfort, comforter, commit a gaffe,
   communicate, computer proof, confer, continue, contour sheet,
   counterpane, cover, coverlet, coverlid, crash, creep, crime,
   crime against humanity, cutie, cutting, dame, damoiselle, damsel,
   deadly sin, deadwood, deal, deal out, decline, defense mechanism,
   degenerate, delinquency, demoiselle, dereliction, deteriorate,
   deviate, die, diminutive, dip, disappear, disc, disclose, dish out,
   dispense, divulge, dock, dockage, dockyard, document, dodge, dole,
   dole out, doll, donate, downslide, downswing, downtrend, downturn,
   drift, drop, drop off, dry dock, duck, ebb, eiderdown, elapse,
   elusion, elusiveness, embankment, endure, enormity, enter,
   equivocation, erode, err, error, escape, etourderie, evasion,
   evasive action, evasiveness, evil, expire, expose, extend,
   exuviate, fade, fail, failure, fall, fall away, fall into error,
   fall off, falloff, false move, false step, fascia, fault, faux pas,
   featherweight, felony, file, filing card, fillet, filly, film,
   fingerling, fireclay, fitted sheet, flagellum, fledgling, flight,
   flight path, flit, float, flounder, flow, flow on, flub, fluff,
   flux, fly, foiling, foot, foozle, forbearance, forestalling,
   forestallment, fork, fork out, founder, foundry proof, frail,
   friction tape, frond, frustration, fumble, gal, galley,
   galley proof, gaucherie, genocide, get away, get in, getaway,
   getting around, getting round, ghost, gift, gift with, girdle,
   girl, girlie, give, give freely, give out, glaze, glide, glissade,
   glissando, go amiss, go astray, go awry, go by, go down,
   go downhill, go off, go on, go to pot, go under, go wrong, goof,
   grant, groin, gruel, guilty act, gumbo, gumshoe, hand out, harbor,
   harborage, hash, have a comedown, haven, heap, heavy sin, heifer,
   help to, hit a slump, hit rock bottom, hit the skids, hook,
   hopeful, hoyden, ice-skate, impart, impropriety, inadvertence,
   inadvertency, index card, indiscretion, inexpiable sin, infant,
   iniquity, injury, injustice, issue, jetty, jeune fille, jill, jink,
   junior, junior miss, jutty, juvenal, juvenile, kaolin, lam,
   landing, landing place, landing stage, landslide, landslip,
   lap robe, lapse, lapsus calami, lapsus linguae, lass, lassie, last,
   lath, lavish, leak, leave, let have, let out, let slip, levee,
   library catalog, lightweight, ligula, ligule, limb, linen, list,
   little missy, loose thread, lose, lumber, lurk, mademoiselle,
   magnetic tape, maid, maiden, make a mistake, malefaction,
   malfeasance, malum, mar, marina, masking tape, mere shadow, mess,
   mete, mete out, microcard, microdot, microfiche, microfilm, mini,
   minikin, minnow, minny, minor, minor wrong, mire, miscalculate,
   miscue, misdeed, misdemeanor, misfeasance, miss, miss the mark,
   misstep, missy, mistake, mole, molt, mooring, mooring buoy,
   moorings, mortal sin, motion-picture film, mouse, muck, mud,
   muddle, mudhook, muff, murder, near-miss, neutrality, nonfeasance,
   nonintervention, noninvolvement, nose-dive, note, nubbin, nymphet,
   off day, offense, offer, offshoot, omission, ooze, outguessing,
   outmaneuvering, outrage, outwitting, oversight, page proof, paper,
   pass, pass by, passing the buck, patchwork quilt, peccadillo,
   peccancy, peewee, permission, permit, petuntse, phonograph record,
   piece, pier, pillow slip, pillowcase, plank, plastic tape,
   plate proof, platter, play havoc with, plow the deep, plummet,
   pony, porcelain clay, port, pour, present, press on, press proof,
   prevention, proceed, proffer, progressive proof, proof,
   proof sheet, protected anchorage, pubescent, pull, pussyfoot,
   put in, quay, quilt, rail, rain, rake, ramage, ramification,
   reach the depths, refractory clay, refraining, render, repro proof,
   reveal, revise, ribband, ribbon, ride, ride the sea, road, roads,
   roadstead, robe, roll on, roller-skate, romp, rug, run, run down,
   run its course, run on, run out, runner, runt, sad work, sag, sail,
   sapling, sarment, scape, schoolgirl, schoolmaid, schoolmiss, scion,
   scoreboard, scorecard, scoresheet, scrap, screw up, scud, seaport,
   seawall, seedling, serve, set, shadow, shaving, sheet, sheeting,
   shell out, shipyard, shirk, shoot, shower, shred, shrimp, shunning,
   shunting off, shy, sideslip, sidestep, sidetracking, sin,
   sin of commission, sin of omission, sinful act, sink, skate,
   skateboard, skeleton, ski, skid, skim, skin effect, skin friction,
   skirt, skulk, slat, sled, sleigh, slick, slidder, slide,
   slide down, slime, slink, slip in, slip up, slippage, slipup,
   slither, sliver, slob, slop, slosh, slough, sludge, slump, slur,
   slush, small fry, snake, sneak in, snip, snippet, snow, snowslide,
   snowslip, soften, soup, spear, spill, spline, splinter, spoil,
   spray, spread, sprig, sprit, sprout, squash, stagger, steal,
   stolon, stone proof, strake, strap, stray, streak, strip,
   stripling, strop, stumble, subdeb, subdebutante, subside,
   subsidence, subteen, subteener, sucker, sweep, swill, switch,
   taenia, tape, tape measure, tapeline, teenager, teener,
   teenybopper, tender, tendril, thallus, the runaround, the slip,
   throw off, thwarting, ticker tape, tit, toboggan, tomato, tomboy,
   topple, tort, touch bottom, transgression, trespass,
   trial impression, trip, tumble, twig, unutterable sin, vandyke,
   vanish, vein, venial sin, videotape, virgin, walk the waters,
   wander, wane, wart, wench, wharf, wisp, wrong, wrong step, yield,
   young creature, young hopeful, young person, young thing, younger,
   youngest, youngling, youngster, youth, zigzag



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SLIP
       Serial Line Internet Protocol (Internet, RFC 1055), "SL/IP"


The Free On-line Dictionary of Computing (30 December 2018):

SLIP

   1. Serial Line Internet Protocol.

   2. Symmetric LIst Processsor.  Early 1960's list processing
   subroutine package for Fortran by J. Weizenbaum.  Later also
   embedded in MAD and ALGOL.  ["Symmetric List Processor",
   J. Weizenbaum CACM 6:524-544(1963).  Sammet 1969, p.387].