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cumulus

1 ENTRIES FOUND:
cumulus /ˈkjuːmjələs/ noun
plural cumuli /ˈkjuːmjəˌlaɪ/
cumulus
/ˈkjuːmjələs/
noun
plural cumuli /ˈkjuːmjəˌlaɪ/
Britannica Dictionary definition of CUMULUS
[count] technical
: a type of thick cloud that is rounded on top and has a flat base