名詞 canister:

1. a metallic cylinder packed with shot and used as ammunition in a firearm
   同義詞：case shot, canister shot
2. metal container for storing dry foods such as tea or flour
   同義詞：cannister, tin

can.is.ter

n.（名詞）
A box or can of thin metal or plastic used for holding dry cooking ingredients, such as flour, sugar, or tea.
罐：用薄金屬或塑料制成的裝干食品的盒子或罐子，如面粉、糖或茶葉
A metallic cylinder packed with shot that are scattered when the cylinder is fired; case shot.
霰彈：一個(gè)內(nèi)裝彈丸的金屬制圓筒，當(dāng)圓筒發(fā)射后這些彈丸會散開；霰彈
The part of a gas mask that contains the filter for removing toxic agents from the air.
濾毒罐：防毒面具的一部分，含有過濾裝置，能將有毒成分從空氣中除去

來源：
Latin canistrum [basket]
拉丁語 canistrum [籃子]
from Greek kanastron
源自 希臘語 kanastron
from kanna [reed] * see cane
源自 kanna [蘆葦] *參見 cane