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Mills grenade

noun Military.

a type of high-explosive grenade weighing about 1.5 pounds (0.7 kg).

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Origin of Mills grenade

1915–20; named after Sir W. Mills (1856–1932), its English inventor
Also called Mills bomb.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for mills bomb

Mills bomb

/ (mɪlz) /

noun

a type of high-explosive hand grenade

Word Origin for Mills bomb

C20: named after Sir William Mills (1856–1932), English inventor
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