The Collaborative International Dictionary of English v.0.48:

Collop \Col"lop\, n. [Of uncertain origin; cf. OF. colp blow,
   stroke, piece, F. coup, fr. L. colophus buffet, cuff, Gr. ?]
   [Written also colp.]
   1. A small slice of meat; a piece of flesh.
      [1913 Webster]

            God knows thou art a collop of my flesh. --Shak.
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            Sweetbread and collops were with skewers pricked.
                                                  --Dryden.
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   2. A part or piece of anything; a portion.
      [1913 Webster]

            Cut two good collops out of the crown land.
                                                  --Fuller.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

78 Moby Thesaurus words for "collop":
   bit, butt, chip, chunk, clip, clipping, coat, coating, covering,
   crumb, cut, cutting, deal, disk, dollop, end, feuille, film, flap,
   foil, fold, fragment, gob, gobbet, hunk, lamella, lamina,
   laminated glass, laminated wood, lap, leaf, lump, membrane,
   modicum, moiety, morsel, pane, panel, paring, particle, patina,
   peel, pellicle, piece, plait, plank, plate, plating, ply, plywood,
   rasher, safety glass, scoop, scrap, scum, shard, shaving, sheet,
   shiver, shred, skin, slab, slat, slice, sliver, smithereen, snack,
   snatch, snip, snippet, splinter, stitch, stump, table, tablet,
   tatter, veneer, wafer