plural canisters
1
: a container with a lid that is used for keeping dry products
a flour/sugar/tea canister
2
: a plastic or metal container that is used for keeping a roll of film
a film canister
3
: a metal case that contains gas or chemical substances and that bursts when it is fired from a gun
tear gas canisters
Cite this Entry
“Canister.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/canister. Accessed 20 Jun. 2026.
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