Definition of mochila in English:

mochila

(also mochilla)

Pronunciation /mə(ʊ)ˈtʃiːlə/

noun

US
  • A pouch or bag, typically of leather; especially one hung from a horse's saddle. Later also: a saddle cover made from leather or skins, usually with pockets on the sides.

Origin

Mid 19th century; earliest use found in Harper's Magazine. From Spanish mochila.