follis meaning in English — bag, bellows, sack

English meaning

bag noun A flexible container, often with an opening at the top, used to hold or carry items.
bellows noun A hand-operated device that pumps a blast of air when squeezed, used to fan a fire or power an instrument like an accordion.
sack noun A large bag, typically of coarse material, used for carrying or storing bulk goods.

follis is used for these senses in English:

bag (countable, uncountable) In certain phrases: money.
bellows A device for delivering pressurized air in a controlled quantity to a controlled location. At its most simple terms a bellows is a container which is deformable in such a way as to alter its volume which has an outlet or outlets where one wishes to blow air.
sack A bag; especially a large bag of strong, coarse material for storage and handling of various commodities, such as potatoes, coal, coffee; or, a bag with handles used at a supermarket, a grocery sack; or, a small bag for small items, a satchel.

noun A flexible container, often with an opening at the top, used to hold or carry items.
verb To put something into a bag, or more broadly, to succeed in getting or catching something.

noun A hand-operated device that pumps a blast of air when squeezed, used to fan a fire or power an instrument like an accordion.
noun Informally, the lungs.

saccus culeus