Bullet

bool′et, n. the projectile of lead or other metal discharged from any kind of small-arm: a plumb or sinker in fishing.— n. Bull′et-head , a head round like a bullet: ( U.S. ) an obstinate fellow.— adjs. Bull′et-head′ed ; Bull′et-proof , proof against bullets. [Fr. boulet , dim. of boule , a ball—L. bulla . See Bull , an edict.]