from The Century Dictionary.
- noun A stratum of low cloud consisting of separate irregular masses; a cloud of the layer type, but not sufficiently uniform to be pure stratus. Also called
- noun See
from the GNU version of the Collaborative International Dictionary of English.
- noun (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.
Sorry, no etymologies found.
There was little wind, and the few strato-cumulus clouds which were visible showed great stretches of azure-blue sky between them.
As the Division bomber stream of probably fifteen groups (360 airplanes) flew eastward, a great wall of strato-cumulus clouds confronted us.
When lower and in heavy roundish masses it's called alto-cumulus, which is the fifth on the list, and when it is lower still and looks like a lot of great blue-gray footballs wedged closely together it is known as strato-cumulus. "