What does "tuck" mean?

Tuck: 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.

Additional senses

  1. 2.To make a tuck or tucks in; as, to tuck a dress.
  2. 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.
  3. 4.Etym: [Perhaps originally, to strike, beat: cf. F. toquer to touch. Cf. Tocsin.] To full, as cloth. [Prov. Eng.]
  4. 5.To contract; to draw together. [Obs.]
  5. 6.A horizontal sewed fold, such as is made in a garment, to shorten it; a plait.
  6. 7.A small net used for taking fish from a larger one; -- called also tuck-net.
  7. 8.A pull; a lugging. [Obs.] See Tug. Life of A. Wood.
  8. 9.(Naut.) The part of a vessel where the ends of the bottom planks meet under the stern.
  9. 10.Food; pastry; sweetmeats. [Slang] T. Hughes.

Sources