Meaning of cannonball
Pronunciation: (kan'un-bôl"), [key]
- a missile, usually round and made of iron or steel, designed to be fired from a cannon.
- a served ball that travels with great speed and describes little or no arc in flight.
- anything that moves with great speed, as an express train.
- made from a curled-up position with the arms pressing the knees against one's chest: a cannonball dive.
- moving at great speed: a train known as a cannonball express.
- cannonball (Thesaurus)