dumdum bullet

from The Century Dictionary.

• noun See bullet, fever.

from the GNU version of the Collaborative International Dictionary of English.

• (Mil.) A kind of man-stopping bullet, designed to fragment inside the body and thus inflict a severed and painful wound; -- so named from Dumdum, in India, where bullets are manufactured for the Indian army.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound