stra·to·cu·mu·lus (strā'tō-kyōōm'yə-ləs, strāt'ō-) n.
pl.stra·to·cu·mu·li (-lī') A low-lying cloud formation occurring in extensive horizontal layers with rounded summits.
stratocumulus (strāt'ō-kym'yə-ləs) Pronunciation Key Pluralstratocumuli (strāt'ō-kym'yə-lī')
A low-altitude, often patchy cloud occurring in extensive horizontal layers with distinct, rounded tops. See illustration at cloud.