canister (canisters plural )
1 n-count A canister is a strong metal container. It is used to hold gases or chemical substances.
usu n N
Riot police hurled tear gas canisters and smoke bombs into the crowd., ...canisters of commercial fuel.
2 n-count A canister is a metal, plastic, or china container with a lid. It is used for storing food such as sugar and flour.
3 n-count A canister is a flat round container. It is usually made of metal and is used to store photographic film.
usu with supp