marsupium

An external pouch or fold on the abdomen of most female marsupials, containing the mammary glands and in which the young continue to develop after leaving the uterus.

A temporary pouch in certain fishes, amphibians, and invertebrates in which eggs are carried until hatched.

In Roman antiquity, a purse of the kind usually borne in the hand of Mercury, and indicating his character as god of gain.

In medicine, a sack or bag in which any part of the body is fomented.

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.

In anatomy, the alar ligaments (which see, under alar).

The pouch, formed by a fold of the skin of the abdomen, in which marsupials carry their young; also, a pouch for similar use in other animals, as certain Crustacea.

The pecten in the eye of birds and reptiles. See pecten.

The external pouch in which female marsupials rear and feed the young

A brood pouch in some fishes, crustaceans and insects in the family Monophlebidae