bullet
bul.let \'bu.l-*t\ \.bu.l-*t-'pru:f\ n [MF boulette small ball & boulet missile, dims. of boule ball] archaic 1: a small round mass 2: a round or elongated missile (as of lead) designed to be fired from a fi rearm; broadly : CARTRIDGE 3: something suggesting a bullet esp. in form or vigor of action - bul.let.proof aj