Definition of canister

• n. - A small basket of rushes, reeds, or willow twigs, etc.
• n. - A small box or case for holding tea, coffee, etc.
• 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.
• n. - A small basket of rushes, reeds, or willow twigs, etc.
• n. - A small box or case for holding tea, coffee, etc.
• 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.