1 a small bag, usually made of leather, and often carried in a pocket or attached to a belt:
a tobacco pouch * She kept her money in a pouch around her neck.
2 a large bag for carrying letters, especially official ones
3 a pocket of skin on the stomach of some female animals, such as KANGAROOS, in which they carry their young
4 a pocket of skin in the cheeks of some animals, such as HAMSTERS, in which they store food
