Dictionary
stra•to•cu•mu•lus
Pronunciation: (strā"tō-kyOO'myu-lus, strat"ō-), [key]—
n.,
—pl. -lus.
a cloud of a class characterized by large dark, rounded masses, usually in groups, lines, or waves, the individual elements being larger than those in altocumulus and the whole being at a lower altitude, usually below 8000 feet (2400 m).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.