Definitions of pouch:

noun: a small or medium size bag-like container for holding or carrying things
noun: (anatomy) saclike structure in any of various animals (as a marsupial or gopher or pelican)
noun: an enclosed space
verb: send by special mail that goes through diplomatic channels
verb: put into a small bag
verb: swell or protrude outwards
name: A surname (very rare: popularity rank in the U.S.: #54845)