- 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.
Origin of cannonball
- JulianCannonball, 1928–75, American jazz saxophonist.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cannonball
My description of Cannonball has become admittedly abstract, and the novel is sometimes inexplicably opaque.
A cannonball—metal or human—displaces water, but it regains its own level.
It is at this point that Cannonball turns toward Pynchonian conspiracy.
But the Republican Party has shot like a cannonball to the right.Michael Tomasky on Obama’s Delusions About the GOP’s ‘Fever’ Breaking
June 7, 2012
Leading from the front, he has a cannonball of a shot and can wreak havoc from distance.World Cup Primer
June 12, 2010
"A doctor will be down on 'the Cannonball' about five o'clock," he added.They of the High Trails
When the soldier is hit by a cannonball, rags are as becoming as purple.Walden, and On The Duty Of Civil Disobedience
Henry David Thoreau
His head was shot off by a cannonball just as his regiment was charging at the bridge.With Fire and Sword
Samuel H. M. Byers
The Moravians held their immersion baptismal ceremonies in the Cannonball.North Dakota
For the next three seconds you could have heard a cannonball drop.The Gold Bat
P. G. Wodehouse
- a projectile fired from a cannon: usually a solid round metal shot
- a very fast low serve
- (as modifier)a cannonball serve
- a jump into water by a person who has his arms tucked into the body to form a ball
- (often foll by along, etc) to rush along, like a cannonball
- to execute a cannonball jump
- very fast or powerful