\Mit"ten\, n. [OE. mitaine, meteyn, F. mitaine, perh. of
Celtic origin; cf. Ir. miotog, Gael. miotag, Ir. & Gael.
mutan a muff, a thick glove. Cf. {Mitt}.]
1. A covering for the hand, worn to defend it from cold or
   injury. It differs from a glove in not having a separate
   sheath for each finger. --Chaucer.

2. A cover for the wrist and forearm.

{To give the mitten to}, to dismiss as a lover; to reject the
   suit of. [Colloq.]

{To handle without mittens}, to treat roughly; to handle
   without gloves. [Colloq.]