0 a firm round or cylinder-shaped container, usually made of metal, for holding food or chemicals:
1 a container with a cover, used for storing foods or objects:
Archaeologists discovered a Roman cosmetic cream in its original canister.
Keep a canister of disinfecting wipes nearby.
A construction worker died when he unwittingly opened a canister of mustard gas left over from World War II.
A single terrorist armed with a canister of toxins could kill millions.
In his hands was a canister containing film shot high over Afghanistan.
However, the larger cylinder (a 104 mm diameter canister) is too large to be grasped by the gripper.
