Webster's Revised Unabridged Dictionary · 1913

Mitten

Mitten , noun

[Old English mitaine, meteyn, French mitaine, perh. of Celtic origin; compare Ir. miotog, Gael. miotag, Ir. & Gael. mutan a muff, a thick glove. Compare 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.
Collocations (2)
To give the mitten to , to dismiss as a lover; to reject the suit of. [Colloquial]
To handle without mittens , to treat roughly; to handle without gloves. [Colloquial]