Definition of dumdum
: a bullet (such as one with a hollow point) that expands more than usual upon hitting an object
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Origin and Etymology of dumdum
Dum Dum, arsenal near Calcutta, India
First Known Use: circa 1889
DUMDUM Defined for English Language Learners
dumdum
play
noun
Definition of dumdum for English Language Learners
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: a bullet that expands or explodes when it hits an object in order to cause greater damage
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See words that rhyme with dumdum Britannica.com: Encyclopedia article about dumdum
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