catapult

nouns

a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones
catapult, sling, slingshot
is derived from
catapultic
a device that launches aircraft from a warship
catapult, launcher
is derived from
catapultian
is derived from
catapultic
an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
arbalest, arbalist, ballista, bricole, catapult, mangonel, onager, trebuchet, trebucket
is derived from
catapultian
is derived from
catapultic

verbs

shoot forth or launch, as if from a catapult
"the enemy catapulted rocks towards the fort"
catapult
is a type of (narrower)
cause to move forward with force
"Steam propels this ship"
impel, propel
hurl as if with a sling
catapult, sling