an aerial bomb equipped with a rocket for added velocity after being dropped from an aircraft.
(loosely) any rocket-propelled missile launched from the ground.
Origin of rocket bomb
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for rocket bomb
Like a rocket-bomb, this man of genius had risen from obscurity—had all but conquered the three greatest worlds of the universe.Tarrano the Conqueror|Raymond King Cummings