mitten /ˈmɪtən/noun 4verb 1forms 3phrases 1 noun4 •A type of glove or garment that covers a hand with a separate sheath for the thumb, but not for other fingers, which are either enclosed in a single section or left uncovered. •[in the plural] (slang) A boxing glove. •The paw of a cat or dog that is of a different color from the main body. •(informal, old-fashioned) A romantic rejection; dismissal of a lover. verb1 •To dress in mittens; to put a mitten on.He mittened his hand and beat it violently for a minute before exposing it to the frost to strike a match. — 1911 formsmittened · mittening · mittens Phrases with mitten mitten ontoTo seize, grab or hold.