bullet-proof
Bul"let-proof`, a. Defn: Capable of resisting the force of a bullet. Bullet tree. See Bully tree. -- Bullet wood, the wood of the bullet tree.
Bul"let-proof`, a. Defn: Capable of resisting the force of a bullet. Bullet tree. See Bully tree. -- Bullet wood, the wood of the bullet tree.