cannonball(redirected from cannonballed)
Also found in: Dictionary, Thesaurus.
a. a very fast low serve
b. (as modifier): a cannonball serve
2. a jump into water by a person who has his arms tucked into the body to form a ball
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A missile that is spheroidal in shape and fired from a cannon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.