is a specific kind of: instrument.

is a broader term that covers: bow | bow and arrow | brass knuckles, brass knucks, knuckle duster, knuckles, knucks | fire ship | flamethrower | gun | knife | light arm | missile | pike | missile, projectile | slasher | sling | lance, shaft, spear | stun baton, stun gun | blade, brand, steel, sword | hatchet, tomahawk | W.M.D., weapon of mass destruction, WMD | Greek fire ... show more.

is a part of: arms, implements of war, munition, weaponry, weapons system.

derivation: weaponize | arm, build up, fortify, gird | arm.