A projectile that, when dropped from an aircraft or fired through the air, releases explosive fragments over a wide area.
a canister that is dropped from a plane and that opens to release a cluster of fragmentation bombs over a wide area
bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area; "cluster bombs cannot be targeted precisely"
bomb consisting of a canister that is dropped from a plane and that opens to release a cluster of bomblets (usually fragmentation bombs) over a wide area