thunder cloud


Also, thunderclouds.

1690–1700; thunder + cloud Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To thunder cloud
World English Dictionary
thundercloud (ˈθʌndəˌklaʊd)
1.  a towering electrically charged cumulonimbus cloud associated with thunderstorms
2.  anything that is threatening

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
thundercloud   (thŭn'dər-kloud')  Pronunciation Key 
See cumulonimbus.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature