blitz can

jerry can

or jer·ry·can, jer·ri·can

noun
  1. Also called blitz can. Military. a narrow, flat-sided, 5-gallon (19-liter) container for fluids, as fuel.
  2. British. a can with a capacity of 4½ imperial gallons (5.4 U.S. gallons or 20.4 liters).

Origin of jerry can

1940–45; apparently Jerry “German”; the British supposedly manufactured the can after a German prototype
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for blitz-can

jerry can

noun
  1. a flat-sided can with a capacity of between 4.5 and 5 gallons used for storing or transporting liquids, esp motor fuel: originally a German design adopted by the British Army during World War II

Word Origin for jerry can

C20: from Jerry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012