Pronunciation: (kan'u-stur), [key]
1. a small box or jar, often one of a kitchen set, for holding tea, coffee, flour, and sugar.
2. Also called can'ister shot". See case shot.
3. the part of a gas mask containing the neutralizing substances through which poisoned air is filtered.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.