Definition of: pouch

(pouch) noun
1. A small bag or sack, or something serving a similar purpose, as a pocket or a purse.
2. Zool. A saclike part for temporarily containing food, as in gophers and pelicans; also, a marsupium.
3. Bot. Any pouchlike cavity, as the silique of the mustard plant.
4. A leather receptacle for carrying small-arms ammunition; also, a wooden cartridge box.
5. An inner mailbag.
—v.t.
1. To put in or as in a pouch; pocket.
2. To fashion or arrange in pouchlike form.
3. To swallow.
—v.i.
4. To take on a pouchlike shape; form a pouchlike cavity. [<OF poche, var. of poke, poque bag]
—pouch′y adjective