• noun:   medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
• noun:   a device that launches aircraft from a warship
• noun:   a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
• verb:   shoot forth or launch, as if from a catapult

  Example: "The enemy catapulted rocks towards the fort"

• verb:   hurl as if with a sling

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