Cumulus

['kjuːmjʊləs] or ['kjumjələs]

Definition

(noun.) a globular cloud.

Edited by Cary--From WordNet

Definition

(n.) One of the four principal forms of clouds. SeeCloud.

Checked by Estes

Definition

n. a heap; a kind of cloud common in summer consisting of rounded heaps with a darker horizontal base.—adjs. Cū′muliform; Cū′mulose.—n. Cū′mulo-strā′tus a cloud looking like a combination of the cumulus and stratus.

Inputed by Harlow