noun

cumulus

cumulus, cumulus cloud

White cumulus clouds drifted across the blue sky.

White cumulus clouds drifted across the blue sky.

((cumulus)) cloud A large cumulus cloud appeared.

Synonyms: heap, pile; Other cloud types: stratus, cirrus

From Latin 'cumulus', meaning 'a heap, pile'.

'Cumulus' sounds like 'accumulate'. These clouds look like accumulated, fluffy heaps of cotton.

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