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jerry can

American  
[jer-ee kan] / ˈdʒɛr i ˌkæn /
Or jerrycan,

noun

  1. Also called blitz canMilitary. 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).


jerry can British  

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

"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

Etymology

Origin of jerry can

1940–45; apparently Jerry “German”; the British supposedly manufactured the can after a German prototype