a canister that can be dropped from an aircraft and that opens to release a number of small fragmentation explosives over a wide area.
Origin of cluster bomb
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for cluster bomb
a bomb that throws out a number of smaller bombs or antipersonnel projectiles when it explodes
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