n. slingshot; hurling machine; military machine for hurling missiles, used in ancient and medieval times
v. increase the status of something rapidly; shoot forth or launch
The airplane is launched from battleship by catapult.
Starbucks's adoption of Square will catapult the start-up's technology onto street corners nationwide, and is the clearest sign yet that mobile payments could become mainstream.
Sentence in Classic:
While we were waiting he brought out the catapult which bulged from his inner pocket and explained some improvements which he had made in it.