tuck

(noun) eatables (especially sweets).

(noun) (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.

(noun) a narrow flattened pleat or fold that is stitched in place.

(noun) a straight sword with a narrow blade and two edges. Synonyms: rapier.

(verb) fit snugly into. Synonyms: insert. Examples: "Insert your ticket into the slot." "Tuck your shirttail in."

(verb) make a tuck or several folds in. Examples: "Tuck the fabric." "Tuck in the sheet."

(verb) draw together into folds or puckers. Synonyms: gather, pucker.