The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, n. [AS. bolt; akin to Icel. bolti, Dan. bolt, D.
   bout, OHG. bolz, G. bolz, bolzen; of uncertain origin.]
   1. A shaft or missile intended to be shot from a crossbow or
      catapult, esp. a short, stout, blunt-headed arrow; a
      quarrel; an arrow, or that which resembles an arrow; a
      dart.
      [1913 Webster]

            Look that the crossbowmen lack not bolts. --Sir W.
                                                  Scott.
      [1913 Webster]

            A fool's bolt is soon shot.           --Shak.
      [1913 Webster]

   2. Lightning; a thunderbolt.
      [1913 Webster]

   3. A strong pin, of iron or other material, used to fasten or
      hold something in place, often having a head at one end
      and screw thread cut upon the other end.
      [1913 Webster]

   4. A sliding catch, or fastening, as for a door or gate; the
      portion of a lock which is shot or withdrawn by the action
      of the key.
      [1913 Webster]

   5. An iron to fasten the legs of a prisoner; a shackle; a
      fetter. [Obs.]
      [1913 Webster]

            Away with him to prison!
            lay bolts enough upon him.            --Shak.
      [1913 Webster]

   6. A compact package or roll of cloth, as of canvas or silk,
      often containing about forty yards.
      [1913 Webster]

   7. A bundle, as of oziers.
      [1913 Webster]

   Bolt auger, an auger of large size; an auger to make holes
      for the bolts used by shipwrights.

   Bolt and nut, a metallic pin with a head formed upon one
      end, and a movable piece (the nut) screwed upon a thread
      cut upon the other end. See B, C, and D, in illust. above.
      [1913 Webster]

   Note: See Tap bolt, Screw bolt, and Stud bolt.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, v. t. [imp. & p. p. Bolted; p. pr. & vb. n.
   Bolting.]
   1. To shoot; to discharge or drive forth.
      [1913 Webster]

   2. To utter precipitately; to blurt or throw out.
      [1913 Webster]

            I hate when Vice can bolt her arguments. --Milton.
      [1913 Webster]

   3. To swallow without chewing; as, to bolt food; often used
      with down.
      [1913 Webster]

   4. (U. S. Politics) To refuse to support, as a nomination
      made by a party to which one has belonged or by a caucus
      in which one has taken part.
      [1913 Webster]

   5. (Sporting) To cause to start or spring forth; to dislodge,
      as conies, rabbits, etc.
      [1913 Webster]

   6. To fasten or secure with, or as with, a bolt or bolts, as
      a door, a timber, fetters; to shackle; to restrain.
      [1913 Webster]

            Let tenfold iron bolt my door.        --Langhorn.
      [1913 Webster]

            Which shackles accidents and bolts up change.
                                                  --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, adv.
   In the manner of a bolt; suddenly; straight; unbendingly.
   [1913 Webster]

         [He] came bolt up against the heavy dragoon.
                                                  --Thackeray.
   [1913 Webster]

   Bolt upright.
   (a) Perfectly upright; perpendicular; straight up;
       unbendingly erect. --Addison.
   (b) On the back at full length. [Obs.] --Chaucer.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, n. [From Bolt, v. i.]
   1. A sudden spring or start; a sudden spring aside; as, the
      horse made a bolt.
      [1913 Webster]

   2. A sudden flight, as to escape creditors.
      [1913 Webster]

            This gentleman was so hopelessly involved that he
            contemplated a bolt to America -- or anywhere.
                                                  --Compton
                                                  Reade.
      [1913 Webster]

   3. (U. S. Politics) A refusal to support a nomination made by
      the party with which one has been connected; a breaking
      away from one's party.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\ (b[=o]lt; 110), v. i.
   1. To start forth like a bolt or arrow; to spring abruptly;
      to come or go suddenly; to dart; as, to bolt out of the
      room.
      [1913 Webster]

            This Puck seems but a dreaming dolt, . . .
            And oft out of a bush doth bolt.      --Drayton.
      [1913 Webster]

   2. To strike or fall suddenly like a bolt.
      [1913 Webster]

            His cloudless thunder bolted on their heads.
                                                  --Milton.
      [1913 Webster]

   3. To spring suddenly aside, or out of the regular path; as,
      the horse bolted.
      [1913 Webster]

   4. (U.S. Politics) To refuse to support a nomination made by
      a party or a caucus with which one has been connected; to
      break away from a party.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, v. t. [imp. & p. p. Bolted; p. pr. & vb. n.
   Bolting.] [OE. bolten, boulten, OF. buleter, F. bluter, fr.
   Ll. buletare, buratare, cf. F. bure coarse woolen stuff; fr.
   L. burrus red. See Borrel, and cf. Bultel.]
   [1913 Webster]
   1. To sift or separate the coarser from the finer particles
      of, as bran from flour, by means of a bolter; to separate,
      assort, refine, or purify by other means.
      [1913 Webster]

            He now had bolted all the flour.      --Spenser.
      [1913 Webster]

            Ill schooled in bolted language.      --Shak.
      [1913 Webster]

   2. To separate, as if by sifting or bolting; -- with out.
      [1913 Webster]

            Time and nature will bolt out the truth of things.
                                                  --L'Estrange.
      [1913 Webster]

   3. (Law) To discuss or argue privately, and for practice, as
      cases at law. --Jacob.
      [1913 Webster]

   To bolt to the bran, to examine thoroughly, so as to
      separate or discover everything important. --Chaucer.
      [1913 Webster]

            This bolts the matter fairly to the bran. --Harte.
      [1913 Webster]

            The report of the committee was examined and sifted
            and bolted to the bran.               --Burke.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bolt \Bolt\, n.
   A sieve, esp. a long fine sieve used in milling for bolting
   flour and meal; a bolter. --B. Jonson.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bolt
    adv 1: in a rigid manner; "the body was rigidly erect"; "he sat
           bolt upright" [syn: rigidly, stiffly, bolt]
    2: directly; "he ran bang into the pole"; "ran slap into her"
       [syn: bang, slap, slapdash, smack, bolt]
    n 1: a discharge of lightning accompanied by thunder [syn:
         thunderbolt, bolt, bolt of lightning]
    2: a sliding bar in a breech-loading firearm that ejects an
       empty cartridge and replaces it and closes the breech
    3: the part of a lock that is engaged or withdrawn with a key
       [syn: bolt, deadbolt]
    4: the act of moving with great haste; "he made a dash for the
       door" [syn: dash, bolt]
    5: a roll of cloth or wallpaper of a definite length
    6: a screw that screws into a nut to form a fastener
    7: a sudden abandonment (as from a political party)
    v 1: move or jump suddenly; "She bolted from her seat"
    2: secure or lock with a bolt; "bolt the door" [ant: unbolt]
    3: swallow hastily
    4: run away; usually includes taking something or somebody
       along; "The thief made off with our silver"; "the accountant
       absconded with the cash from the safe" [syn: abscond,
       bolt, absquatulate, decamp, run off, go off, make
       off]
    5: leave suddenly and as if in a hurry; "The listeners bolted
       when he discussed his strange ideas"; "When she started to
       tell silly stories, I ran out" [syn: run off, run out,
       bolt, bolt out, beetle off]
    6: eat hastily without proper chewing; "Don't bolt your food!"
       [syn: gobble, bolt]
    7: make or roll into bolts; "bolt fabric"

Moby Thesaurus II by Grady Ward, 1.0:

385 Moby Thesaurus words for "bolt":
   AWOL, French leave, Irish confetti, Jupiter Fulgur, Thor, abscond,
   absence without leave, absquatulate, absquatulation, apostacize,
   apostasy, apostatize, arrow, arrowhead, articulate, assort, attach,
   backsliding, bale, ball lightning, bang, bar, barb, barricade,
   barrier, batten, batten down, beat a retreat, betray, betrayal,
   bindle, blat, block, block up, blockade, blow, blurt out,
   bobtailed arrow, boil, bola, bolt down, bolt of lightning,
   bolt upright, bomb, bombshell, boomerang, bouquet, break away,
   breakaway, brickbat, buckle, budget, bundle, burn out, butt,
   button, button up, career, catch, categorize, chain lightning,
   change sides, charge, chase, chested arrow, chock, choke,
   choke off, clap, clarify, clasp, classify, clear, clear out, cleat,
   clip, close, close off, close tight, close up, cloth yard shaft,
   coil, collate, connect, constrict, contain, contract, cordon,
   cordon off, countermissile, cover, cram, crowd, cry out, cull out,
   cut and run, dark lightning, dart, dash, dash off, debar, decamp,
   decampment, deck, decrassify, defect, defection, depart, depurate,
   dereliction, desert, deserter, desertion, devour, disappearance,
   disappearing act, disloyalty, distill, divide, dog, dovetail,
   edulcorate, ejaculate, elope, elopement, elute, engorge, erect,
   escape, essentialize, exit, extract, eye-opener, fagot,
   faithlessness, fall away, fall off, fardel, fasces, fascine,
   fasten, filter, filtrate, fireball, firebolt, fix, flee, flight,
   fling, fly, flying flame, fold, fold up, forked lightning,
   fugitate, fugitation, fulguration, fulmination, ghettoize,
   gluttonize, go AWOL, go over, gobble, going over, gorge,
   gormandize, gradate, grade, group, gulp, gulp down, guttle, guzzle,
   hasp, haste, hasten, hasty retreat, hegira, hie, hinge, hitch,
   hook, hump, hump it, hurry, hurtle, ingurgitate, insulate, jam,
   joint, jump, jump bail, keep apart, keep aside, key, lash, latch,
   lay aside, leach, length, let down, levant, levin bolt, lightning,
   live to eat, lixiviate, lock, lock out, lock up, make haste,
   make off, missile, miter, mortise, nail, nosegay,
   oak-cleaving thunderbolts, obstruct, occlude, pack, package,
   packet, padlock, parcel, part, peg, percolate, pick out, piece,
   pin, plumb, poop out, portion, post, posy, projectile, pull out,
   purify, put aside, quarantine, quarrel, quick exit, quiver, rabbet,
   race, rank, rat, ratting, raven, recidivation, recidivism,
   recreancy, rectify, reed, refine, revelation, riddle, rigidly,
   rivet, rock, rocket, rod, roll, rouleau, run, run away,
   run away from, run away with, run for it, run off, run out on,
   running away, rush, scamper, scarf, schism, scoot, scour, scram,
   scramble, scramming, screen, screw, scud, scurry, scuttle, seal,
   seal off, seal up, secede, secession, seclude, secure, segregate,
   sell out, separate, set apart, set aside, sew, shaft, sheaf,
   sheet lightning, shock, shocker, shoot, show the heels, shut,
   shut off, shut out, shut the door, shut tight, shut up, sieve,
   sift, size, skedaddle, skedaddling, skewer, skip, skip out, slam,
   slip the cable, slop, slosh, snap, sort, sort out, spiritualize,
   spring, squeeze, squeeze shut, staple, startle, step on it, stick,
   stiffly, stifle, stitch, stone, stop up, straight, strain,
   strangle, strangulate, strip, stroke of lightning, stuff,
   sublimate, sublime, subordinate, suffocate, surprise,
   swallow whole, switch, switch over, tack, take French leave,
   take flight, take to flight, take wing, tear, thrash, thresh,
   throw stick, throwing-stick, thunderball, thunderbolt,
   thunderstroke, toggle, torpedo, treason, truss, try, turn cloak,
   turn tail, turning traitor, volley, waddy, walkout, wedge, winnow,
   wolf, wolf down, zip up, zipper