Pouch meaning : A small bag usually closed with a drawstring. A pocket in which a marsupial carries its young. Any pocket or bag-shaped object, such as a cheek pouch. A protuberant belly; a paunch. A cyst or sac containing fluid. A silicle, or short pod, as of the shepherd's purse. A bulkhead in the hold of a vessel, to prevent grain etc. from shifting. To enclose within a pouch. To transport within a pouch, especially a diplomatic pouch. (of fowls and fish) To swallow. To pout. To pocket; to put up with.