- The definition of a hailstorm is a weather condition where hail falls to the ground.
An example of a hailstorm is one that could crack car windows with the balls of hail.
A hailstorm in progress.
hailstorm definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a storm in which hail falls
hailstorm definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A storm with hail.