assault rifle(n = noun.artifact) assault gun - any of the automatic rifles or semiautomatic rifles with large magazines designed for military use;
is a kind of automatic, automatic rifle, machine rifle

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.

aggravated assault, air rifle, amphibious assault, assault, assault and battery, assault gun, automatic rifle, browning automatic rifle, express rifle, garand rifle, m-1 rifle, machine rifle, minie rifle, national rifle association, precision rifle, rifle, rifle ball, rifle butt, rifle grenade, rifle range, rifle shot, sexual assault, snider rifle, sniper rifle, twenty-two rifle