[kan-uh
n-bawl] 
| 1. | a missile, usually round and made of iron or steel, designed to be fired from a cannon. |
| 2. | Tennis. a served ball that travels with great speed and describes little or no arc in flight. |
| 3. | anything that moves with great speed, as an express train. |
| 4. | made from a curled-up position with the arms pressing the knees against one's chest: a cannonball dive. |
| 5. | moving at great speed: a train known as a cannonball express. |
| can·non·ball also cannon ball (kān'ən-bôl') n.
|