Stra`to-cu"mu*lus (?), n. [Stratus + cumulus.] (Meteor.) Large balls or rolls of dark cloud which frequently cover the whole sky, esp. in winter, and give it at times an undulated appearance.

Stra`to-cu"mu*lus (?), n. [Stratus + cumulus.] (Meteor.) Large balls or rolls of dark cloud which frequently cover the whole sky, esp. in winter, and give it at times an undulated appearance.