1. A small bag; usually, a leathern bag; as, a pouch for money; a shot pouch; a mail pouch, etc. 2. That which is shaped like, or used as, a pouch; as: (a) A protuberant belly; a paunch; -- so called in ridicule. (b) (Zoöl.) A sac or bag for carrying food or young; as, the cheek pouches of certain rodents, and the pouch of marsupials. (c) (Me...