| Noun | 1. | catapult - a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones | |
| 2. | catapult - a device that launches aircraft from a warshipdevice - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" | |
| 3. | catapult - medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles | |
| Verb | 1. | catapult - shoot forth or launch, as if from a catapult; "the enemy catapulted rocks towards the fort"propel, impel - cause to move forward with force; "Steam propels this ship" | |
| 2. | catapult - hurl as if with a sling | |