- thunderhead as a noun:
- 1
thunderhead
noun
1 thunderhead
A rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm.
Roget 353: bubble, foam, froth, head, spume, lather, suds, spray, surf, yeast, barm†, spindrift. cloud, vapor, ... show more
thunderheaded
adjective
Roget 353: bubbling etc. v.; frothy, nappy†, effervescent, sparkling, mousseux [Fr.], frothy [Fr.Tr.], up. cloudy etc. n.; thunderheaded†; ... show more
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