The Collaborative International Dictionary of English v.0.48:

Tuck \Tuck\, v. i.
   To contract; to draw together. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Tuck \Tuck\, n.
   1. A horizontal sewed fold, such as is made in a garment, to
      shorten it; a plait.
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   2. A small net used for taking fish from a larger one; --
      called also tuck-net.
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   3. A pull; a lugging. [Obs.] See Tug. --Life of A. Wood.
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   4. (Naut.) The part of a vessel where the ends of the bottom
      planks meet under the stern.
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   5. Food; pastry; sweetmeats. [Slang] --T. Hughes.
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The Collaborative International Dictionary of English v.0.48:

Tuck \Tuck\, n. [F. estoc; cf. It. stocco; both of German
   origin, and akin to E. stock. See Stock.]
   A long, narrow sword; a rapier. [Obs.] --Shak.
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         He wore large hose, and a tuck, as it was then called,
         or rapier, of tremendous length.         --Sir W. Scot.
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The Collaborative International Dictionary of English v.0.48:

Tuck \Tuck\, n. [Cf. Tocsin.]
   The beat of a drum. --Scot.
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The Collaborative International Dictionary of English v.0.48:

Tuck \Tuck\, v. t. [imp. & p. p. Tucked; p. pr. & vb. n.
   Tucking.] [OE. tukken, LG. tukken to pull up, tuck up,
   entice; akin to OD. tocken to entice, G. zucken to draw with
   a short and quick motion, and E. tug. See Tug.]
   1. To draw up; to shorten; to fold under; to press into a
      narrower compass; as, to tuck the bedclothes in; to tuck
      up one's sleeves.
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   2. To make a tuck or tucks in; as, to tuck a dress.
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   3. To inclose; to put within; to press into a close place;
      as, to tuck a child into a bed; to tuck a book under one's
      arm, or into a pocket.
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   4. [Perhaps originally, to strike, beat: cf. F. toquer to
      touch. Cf. Tocsin.] To full, as cloth. [Prov. Eng.]
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WordNet (r) 3.0 (2006):

tuck
    n 1: eatables (especially sweets)
    2: (sports) a bodily position adopted in some sports (such as
       diving or skiing) in which the knees are bent and the thighs
       are drawn close to the chest
    3: a narrow flattened pleat or fold that is stitched in place
    4: a straight sword with a narrow blade and two edges [syn:
       rapier, tuck]
    v 1: fit snugly into; "insert your ticket into the slot"; "tuck
         your shirttail in" [syn: tuck, insert]
    2: make a tuck or several folds in; "tuck the fabric"; "tuck in
       the sheet"
    3: draw together into folds or puckers [syn: gather, pucker,
       tuck]

Moby Thesaurus II by Grady Ward, 1.0:

53 Moby Thesaurus words for "tuck":
   birr, bread, chow, crease, creasing, crimp, crisp, dog-ear, double,
   double over, doubling, duplicature, eats, enfold, feed, flection,
   flexure, flounce, flute, fold, fold over, frill, gather, go, grub,
   hardihood, infold, interfold, lap over, lapel, lappet, meat, moxie,
   pep, plait, plat, pleat, plica, plicate, plication, plicature, ply,
   potency, provender, quill, ruche, ruching, ruff, ruffle, scoff,
   turn over, twill, vigor