Oxford Advanced American Dictionary

Definition of catapult noun from the Oxford Advanced Learner's Dictionary

catapult

noun
catapult pronunciation English ˈkætəpʌlt catapult pronunciation American ˈkætəpʌlt
 
1 (British English) (North American English slingshot) a stick shaped like a Y with a rubber band attached to it, used by children for shooting stones2 a weapon used in the past to throw heavy stones3 a machine used for sending planes up into the air from a ship