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cannonball

[ kan-uhn-bawl ]
/ ˈkæn ənˌbɔl /
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noun Also cannon ball .
a missile, usually round and made of iron or steel, designed to be fired from a cannon.
Tennis. 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.
adjective
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.
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Origin of cannonball

First recorded in 1655–65; cannon + ball1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use cannonball in a sentence

British Dictionary definitions for cannonball

cannonball
/ (ˈkænənˌbɔːl) /

noun
a projectile fired from a cannon: usually a solid round metal shot
tennis
  1. a very fast low serve
  2. (as modifier)a cannonball serve
a jump into water by a person who has his arms tucked into the body to form a ball
verb (intr)
(often foll by along, etc) to rush along, like a cannonball
to execute a cannonball jump
adjective
very fast or powerful
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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