A mitten; also, a covering for the wrist and hand and not for the fingers, usually worn by women.
A large glove, usually made of leather or similar material, with differing degrees of padding and usually some form of webbing in the large space between the thumb insert and the insert for the index finger; a baseball glove. It is used to assist in catching the baseball. The catcher's mitt has more padding and less webbing.
gloves worn by fielders in baseball
A hand; -- used mostly in slang expressions; as, keep your mitts off my box of chocolates!
the (prehensile) extremity of the superior limb; "he had the hands of a surgeon"; "he extended his mitt"