Canister :: Canister (n.) A small basket of rushes, reeds, or willow twigs, etc..
Canister :: Canister (n.) A small box or case for holding tea, coffee, etc..
Canister :: Canister (n.) A kind of case shot for cannon, in which a number of lead or iron balls in layers are inclosed in a case fitting the gun; -- called also canister shot..