a hollow-nosed or soft-nosed bullet that expands on impact, inflicting a severe wound.

Origin of dumdum

First recorded in 1895–1900; named after Dum-Dum, town in India where the bullets were made
Also called dumdum bullet.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for dumdum bullet



a soft-nosed or hollow-nosed small-arms bullet that expands on impact and inflicts extensive lacerationAlso called: dumdum bullet

Word Origin for dumdum

C19: named after Dum-Dum, town near Kolkata (Calcutta) where these bullets were made
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

Word Origin and History for dumdum bullet

1897, named for Dum-Dum arsenal in Bengal, where the British made them to use against fanatical charges by tribesmen. Outlawed by international declaration, 1899. The place name is literally "hill, mound, battery," cognate with Persian damdama.

Online Etymology Dictionary, © 2010 Douglas Harper