The Collaborative International Dictionary
Strato-cumulus
Strato-cumulus \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.
Douglas Harper's Etymology Dictionary
Usage examples of "strato-cumulus".
The meteorological conditions for the area of the sighting can be considered as very good for this time of the year: clear sky, some strato-cumulus, moon in the last quarter and perfect visibility.
Jan recalled the way that he had been on Earth, with his talk of strato-cumulus and cumulo-nimbus cloud layers.