thundercloud
thun·derc·loud
noun
1.
a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
Origin
From thunder + cloud.
Phrases
- rain cloud
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.