Cannon ball Meaning, Definition & Usage

  1. noun a solid projectile that in former times was fired from a cannon
    cannonball; round shot.

WordNet


Definitions
  1. strictly, a round solid missile of stone or iron made to be fired from a cannon, but now often applied to a missile of any shape, whether solid or hollow, made for cannon. Elongated and cylindrical missiles are sometimes called bolts; hollow ones charged with explosives are properly called shells.

Webster 1913