obsolete form of canister.
Examples from the Web for cannister
I seemed to be moving right in the mouth of cannon, for the air was filled with hurling grape and cannister.A History of the Ninth Regiment, Illinois Volunteer Infantry|Marion Morrison
We will hurl grape and cannister into the camps of the saloonatics until they flee the wrath to come.Mr. Opp|Alice Hegan Rice
Mr. Cannister spread his hand over the top of the stick, completely covering it with his palm.A Pair of Blue Eyes|Thomas Hardy
When we pressed them too close the artillerymen would give our men grape and cannister, and then yield to the infantry.Drum Taps in Dixie|Delavan S. Miller
We could hear the swish of cannister in our rear, but on we went.