1. (noun)case shot, canister, canister shot a metallic cylinder packed with shot and used as ammunition in a firearm Synonyms: canister shot, canister, tin, cannister, case shot
2. (noun)canister, cannister, tin metal container for storing dry foods such as tea or flour Synonyms: cannister, canister, tin can, can, tin, atomic number 50, case shot, canister shot