0 a weapon that fires an exploding rocket (= an object that flies very fast through the air) towards a target, usually a tank (= a military vehicle with wheels that turn inside moving belts):
The support truck needed help after it was struck by a rocket-propelled grenade.
As they began treating him, a rocket-propelled grenade blew up a car nearby.
There were 28 separate hostile incidents including five rocket-propelled grenade attacks and six roadside bombings .