n. In Roman antiquity, a purse of the kind usually borne in the hand of Mercury, and indicating his character as god of gain.n. In medicine, a sack or bag in which any part of the body is fomented.n. In zoology, a purse- or pouch-like receptacle for the eggs or young, more external than any of the proper organs of gestation; a brood-pouch of any kind.n. In anatomy, the alar ligaments (which see, under alar).