Search Result for "cumulonimbus cloud":
Wordnet 3.0

NOUN (1)

1. a dark cloud of great vertical extent charged with electricity; associated with thunderstorms;
[syn: cumulonimbus, cumulonimbus cloud, thundercloud]


WordNet (r) 3.0 (2006):

cumulonimbus cloud n 1: a dark cloud of great vertical extent charged with electricity; associated with thunderstorms [syn: cumulonimbus, cumulonimbus cloud, thundercloud]