cumulus: Meaning and Definition of
Pronunciation: (ky'myu-lus), [key]
— pl. -lus.
- a heap; pile.
- a cloud of a class characterized by dense individual elements in the form of puffs, mounds, or towers, with flat bases and tops that often resemble cauliflower: as such clouds develop vertically, they form cumulonimbus.
- cumulus (Thesaurus)