1.  catapult(n = noun.artifact) sling, slingshot - a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones;
is a kind of plaything, toy
Derived forms verb catapult₂, adjective catapultic₁

2.  catapult(n = noun.artifact) launcher - a device that launches aircraft from a warship;
is a kind of device
Derived forms verb catapult₁, adjective catapultian₁, adjective catapultic₁

3.  catapult(n = noun.artifact) arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket - an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles;
is a kind of engine
Derived forms verb catapult₁, adjective catapultian₁, adjective catapultic₁

1.  catapult(v = verb.contact) - shoot forth or launch, as if from a catapult; "the enemy catapulted rocks towards the fort"
is one way to impel, propel
Derived forms noun catapult₃, noun catapult₂
Sample sentences: Something ----s; Somebody ----s something; Something ----s something; Somebody ----s something PP; Somebody ----s PP

2.  catapult(v = verb.contact) sling - hurl as if with a sling;
is one way to cast, hurl, hurtle
Derived form noun catapult₁
Sample sentences: They catapult the object in the water

1.  An engine somewhat resembling a massive crossbow, used by the ancient Greeks and Romans for throwing stones, arrows, spears, etc. [1913 Webster]

2.  A forked stick with elastic band for throwing small stones, etc. [1913 Webster]

catapult, n. & v.
--n.
1 a forked stick etc. with elastic for shooting stones.
2 hist. a military machine worked by a lever and ropes for hurling large stones etc.
3 a mechanical device for launching a glider, an aircraft from the deck of a ship, etc.
--v.
1 tr. a hurl from or launch with a catapult. b fling forcibly.
2 intr. leap or be hurled forcibly.

Etymology:
F catapulte or L catapulta f. Gk katapeltes (as CATA-, pallo hurl)

N  arm, arms, weapon, deadly weapon, armament, armaments, armature, panoply, stand of arms, armor, armory, apparatus belli, ammunition, powder, powder and shot, cartridge, ball cartridge, cartouche, fireball, villainous saltpeter, dumdum bullet, explosive, gunpowder, guncotton, mercury fulminate, picrates, pentaerythritol tetranitrate, PETN, high explosive, trinitrotoluene, TNT, dynamite, melinite, cordite, lyddite, plastic explosive, plastique, pyroxyline, sword, saber, broadsword, cutlass, falchion, scimitar, cimeter, brand, whinyard, bilbo, glaive, glave, rapier, skean, Toledo, Ferrara, tuck, claymore, adaga, baselard, Lochaber ax, skean dhu, creese, kris, dagger, dirk, banger, poniard, stiletto, stylet, dudgeon, bayonet, sword-bayonet, sword-stick, side arms, foil, blade, steel, ax, bill, pole-ax, battle-ax, gisarme, halberd, partisan, tomahawk, bowie knife, ataghan, attaghan, yataghan, yatacban, assagai, assegai, good sword, trusty sword, naked sword, cold steel, club, mace, truncheon, staff, bludgeon, cudgel, life preserver, shillelah, sprig, hand staff, quarter staff, bat, cane, stick, knuckle duster, billy, blackjack, sandbag, waddy, gun, piece, firearms, artillery, ordnance, siege train, battering train, park, battery, cannon, gun of position, heavy gun, field piece, mortar, howitzer, carronade, culverin, basilisk, falconet, jingal, swivel, pederero, bouche a feu, petard, torpedo, mitrailleur, mitrailleuse, infernal machine, smooth bore, rifled cannon, Armstrong gun, Lancaster gun, Paixhan gun, Whitworth gun, Parrott gun, Krupp gun, Gatling gun, Maxim gun, machine gun, pompom, ten pounder, small arms, musket, musketry, firelock, fowling piece, rifle, fusil, caliver, carbine, blunderbuss, musketoon, Brown Bess, matchlock, harquebuss, arquebus, haguebut, pistol, postolet, petronel, small bore, breach-loader, muzzle-loader, revolver, repeater, Minis rifle, Enfield rifle, Flobert rifle, Westley Richards rifle, Snider rifle, Martini-Henry rifle, Lee-Metford rifle, Lee-Enfield rifle, Mauser rifle, magazine rifle, needle gun, chassepot, wind gun, air gun, automatic gun, automatic pistol, escopet, escopette, gunflint, gun- lock, hackbut, shooter, shooting iron, six-shooter, shotgun, Uzzi, assault rifle, Kalashnikov, bow, crossbow, balister, catapult, sling, battering ram, gunnery, ballistics, missile, bolt, projectile, shot, ball, grape, grape shot, canister shot, bar shot, cannon shot, langrel shot, langrage shot, round shot, chain shot, balista, ballista, slung shot, trebucbet, trebucket, bullet, slug, stone, brickbat, grenade, shell, bomb, carcass, rocket, congreve, congreve rocket, shrapnel, mitraille, levin bolt, levin brand, thunderbolt, pike, lance, spear, spontoon, javelin, dart, jereed, jerid, arrow, reed, shaft, bolt, boomerang, harpoon, gaff, eelspear, oxgoad, weet-weet, wommerah, cattle prod, chemical mace, en flute, nervos belli pecuniam infinitam.