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]