BB gunBB gun /ˈbiː biː ɡʌn/ noun [countable] 
Word Origin
Word OriginWORD ORIGINBB gun
word setsOrigin:
1900-2000 BB name given to the size of shot it firesWORD SETS► Weapons
American English a gun that uses air pressure to shoot small round metal balls SYN airgunair rifle, nounair-to-air, adjectiveammo, nounammunition, nounanti-aircraft, adjectiveanti-personnel, adjectiveanti-tank, adjectivearmament, nounarmoured car, nounarmourer, nounarmour-plated, adjectivearrow, nounarrowhead, nounarsenal, nounartillery, nounatomic bomb, nounautomatic, nounballistic missile, nounballistics, nounbandolier, nounbarbed, adjectivebarrage, nounbarrage balloon, nounbarrel, nounbattering ram, nounbattery, nounbayonet, nounbayonet, verbbazooka, nounBB gun, nounblank, nounblaze, verbblowpipe, nounbludgeon, nounblunderbuss, nounbolt, nounbomb, nounbomber, nounbombing, nounbomb scare, nounbooby trap, nounboom, nounbore, nounbow, nounbrass knuckles, nounbroadsword, nounbuckshot, nounbullet, nounbullet-proof, adjectivebutt, nouncaisson, nouncalibre, nouncanister, nouncannon, nouncannonball, nouncarbine, nouncartridge, nouncatapult, nounchain mail, nounchamber, nouncharge, verbchemical warfare, nounchemical weapon, nounclip, nouncluster bomb, nouncock, verbColt, conventional, adjectivecordite, nouncosh, nouncrossbow, nouncruise missile, nounCS gas, nouncudgel, nouncutlass, nouncut-throat razor, noundagger, noundart, noundecommission, verbdetonator, noundevice, noundirk, noundisarm, verbdischarge, verbdismount, verbdouble-barrelled, duel, nounduel, verbdum-dum, nounelevation, nounemplacement, nounequalizer, nounfirearm, nounfirebomb, nounflak, nounflame thrower, nounflick knife, nounforty-five, nounfusillade, nounfusion bomb, noungauge, noungerm warfare, noungrenade, nounguidance, nounguided missile, noungun, noungun carriage, noungunner, noungunnery, noungunpowder, noungun-running, noungunshot, nounhaft, nounhair trigger, nounhalberd, nounhammer, nounhand grenade, nounhandgun, nounH-bomb, nounheat-seeking, adjectiveheavy, adjectivehilt, nounholster, nounhoming device, nounhowitzer, nounhydrogen bomb, nounICBM, nounincendiary, adjectiveKalashnikov, nounknuckle-duster, nounlance, nounlandmine, nounlive, adjectivelongbow, nounlong-range, adjectivemace, nounmachete, nounmachine gun, nounmagazine, nounmagnum, nounmarksman, nounmarksmanship, nounmegaton, nounmisfire, verbmissile, nounmortar, nounmunitions, nounmushroom cloud, nounmusket, nounmustard gas, nounmuzzle, nounnapalm, nounnerve gas, nounnightstick, nounnitroglycerine, nounnon-proliferation, nounnosecone, nounnuclear, adjectivenuke, verbnuke, nounordnance, nounparry, verbpayload, nounpepper, verbpike, nounpistol, nounplastic explosive, noun.22, nounpoison gas, nounpommel, nounpound, verbprime, verbprimer, nounprojectile, nounpropellant, nounquarterstaff, nounramrod, nounrange, nounrapid-fire, adjectiverapier, nounrearm, verbrecoil, verbrepeater, nounreport, nounrevolver, nounrifle, nounrocket, nounround, nounrubber bullet, nounsabre, nounsafety catch, nounsawn-off shotgun, nounscabbard, nounscimitar, nounsemi-automatic, adjectiveshaft, nounsheathe, verbshell, nounshell, verbshield, nounshooter, nounshot, nounshotgun, nounshrapnel, nounsidearm, nounsight, nounsilencer, nounsilo, nounsix-shooter, nounslash, nounsling, nounslingshot, nounslug, nounsmart bomb, nounsmoke bomb, nounsmokescreen, nounsnipe, verbsniper, nounspear, nounspear, verbSten gun, nounstockpile, nounstockpile, verbstun gun, nounsubmachine gun, nounsurface-to-air missile, nounsurface-to-surface missile, nounswordsmanship, nountank, nountear gas, nounthermonuclear, adjectivetime bomb, nountommy gun, nountorpedo, nountorpedo, verbtracer, nountrident, nountrigger, nountruncheon, noununload, verbvolley, nounvolley, verbwarhead, nounwater cannon, nounweapon, nounweaponry, noun