Pronunciation: (kat'u-pult", -poolt"),[key] —n. 1. an ancient military engine for hurling stones, arrows, etc.
2. a device for launching an airplane from the deck of a ship.
3. Brit.a slingshot.
—v.t. 1. to hurl from a catapult.
2. to thrust or move quickly or suddenly: His brilliant performance in the play catapulted him to stardom. 3. Brit. a. to hurl (a missile) from a slingshot.
b. to hit (an object) with a missile from a slingshot.
—v.i. 1. to be catapulted.
2. to move or spring up suddenly, quickly, or forcibly, as if by means of a catapult: The car catapulted down the highway. When he heard the alarm he catapulted out of bed.