Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Weaponsdum-dumdum-dum /ˈdʌm dʌm/ noun [countable] PMWa soft bullet that causes serious wounds because it breaks into pieces when it hits youOrigin dum-dum (1800-1900) Dum-Dum, town in India where the bullets were first produced. ldoceonline.com
