The Collaborative International Dictionary of English v.0.48:

Slice \Slice\, v. t. [imp. & p. p. Sliced; p. pr. & vb. n.
   Slicing.]
   1. To cut into thin pieces, or to cut off a thin, broad piece
      from.
      [1913 Webster]

   2. To cut into parts; to divide.
      [1913 Webster]

   3. To clear by means of a slice bar, as a fire or the grate
      bars of a furnace.
      [1913 Webster]

   4. (Golf) To hit (the ball) so that the face of the club
      draws across the face of the ball and deflects it.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Slice \Slice\, n. [OE. slice, sclice, OF. esclice, from
   esclicier, esclichier, to break to pieces, of German origin;
   cf. OHG. sl[imac]zan to split, slit, tear, G. schleissen to
   slit. See Slit, v. t.]
   1. A thin, broad piece cut off; as, a slice of bacon; a slice
      of cheese; a slice of bread.
      [1913 Webster]

   2. That which is thin and broad, like a slice. Specifically:
      (a) A broad, thin piece of plaster.
      (b) A salver, platter, or tray. [Obs.]
      (c) A knife with a thin, broad blade for taking up or
          serving fish; also, a spatula for spreading anything,
          as paint or ink.
      (d) A plate of iron with a handle, forming a kind of
          chisel, or a spadelike implement, variously
          proportioned, and used for various purposes, as for
          stripping the planking from a vessel's side, for
          cutting blubber from a whale, or for stirring a fire
          of coals; a slice bar; a peel; a fire shovel. [Cant]
      (e) (Shipbuilding) One of the wedges by which the cradle
          and the ship are lifted clear of the building blocks
          to prepare for launching.
      (f) (Printing) A removable sliding bottom to galley.
          [1913 Webster]

   Slice bar, a kind of fire iron resembling a poker, with a
      broad, flat end, for stirring a fire of coals, and
      clearing it and the grate bars from clinkers, ashes, etc.;
      a slice.
      [1913 Webster]

WordNet (r) 3.0 (2006):

slice
    n 1: a share of something; "a slice of the company's revenue"
         [syn: slice, piece]
    2: a serving that has been cut from a larger portion; "a piece
       of pie"; "a slice of bread" [syn: piece, slice]
    3: a wound made by cutting; "he put a bandage over the cut"
       [syn: cut, gash, slash, slice]
    4: a golf shot that curves to the right for a right-handed
       golfer; "he took lessons to cure his slicing" [syn: slice,
       fade, slicing]
    5: a thin flat piece cut off of some object
    6: a spatula for spreading paint or ink
    v 1: make a clean cut through; "slit her throat" [syn: slit,
         slice]
    2: hit a ball and put a spin on it so that it travels in a
       different direction
    3: cut into slices; "Slice the salami, please" [syn: slice,
       slice up]
    4: hit a ball so that it causes a backspin

Moby Thesaurus II by Grady Ward, 1.0:

181 Moby Thesaurus words for "slice":
   allotment, allowance, amputate, apportion, ax, big end,
   bigger half, bisect, bit, bite, breach, break, breakage, budget,
   burst, butcher, butt, carve, carve up, chip, chop, chunk, cleave,
   cleft, clip, clipping, coat, coating, collop, commission,
   contingent, covering, crack, crumb, cut, cut away, cut in two,
   cut off, cut up, cutting, deal, destiny, dichotomize, disk,
   dissect, dissever, divide, divide into shares, divide up,
   divide with, dividend, divvy up, dole, dollop, end, equal share,
   excise, fate, feuille, film, fissure, flap, foil, fold, fracture,
   fragment, gap, gash, gob, gobbet, hack, half, halve, halver,
   helping, hew, hunk, incise, interest, jigsaw, lamella, lamina,
   laminated glass, laminated wood, lance, lap, layer, leaf, lot,
   lump, measure, meed, membrane, mess, modicum, moiety, morsel, pane,
   panel, parcel, pare, paring, part, particle, partition, patina,
   peel, pellicle, percentage, piece, pierce, plait, plank, plate,
   plating, ply, plywood, portion, proportion, prune, quantum, quota,
   rake-off, rasher, ration, rend, rent, rift, rip, rive, rupture,
   safety glass, saw, scale, scallop, scissor, scoop, scrap, scum,
   segment, sever, shard, share, share out, share with, shaving,
   sheet, shiver, shred, skin, slab, slash, slat, slice the pie,
   slice up, slicer, slit, sliver, small share, smithereen, snack,
   snatch, snip, snippet, spatula, splinter, split, split up, stake,
   stitch, stock, stump, sunder, table, tablet, tatter, tear, veneer,
   wafer, wedge, whittle