Crossword clue: a rounded mass of cloud, with shining white edges; a cumulus, - - often appearing before a thunderstorm.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
a rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm
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Similar clues
a rounded projecting mass of a cumulus cloud with shining edges; often appears before a thunderstorm
69% similar
→ thunderhead