Webster’s Revised Unabridged Dictionary · 1913
Ballproof
Ball′proof′ (ba̤l′pro͞of′), a. Incapable of being penetrated by balls from firearms.
Webster’s Revised Unabridged Dictionary · 1913
Ball′proof′ (ba̤l′pro͞of′), a. Incapable of being penetrated by balls from firearms.