1. Also called blitz can. Mil.a narrow, flat-sided, five-gallon (19-liter) container for fluids, as fuel.
2. Brit.a can with a capacity of 4½ imperial gallons (5.4 U.S. gallons or 20.4 liters). Also,jer'ry•can",jer'ri•can".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.