CUMULUS


Meaning of CUMULUS in English

cu ‧ mu ‧ lus /ˈkjuːmjələs, ˈkjuːmjʊləs/ BrE AmE noun [uncountable and countable]

[ Date: 1800-1900 ; Language: Modern Latin ; Origin: Latin , 'pile, mass' ]

a thick white cloud with a flat bottom edge

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.