/ Dictionary / Index C cirrocumulus: Meaning and Definition of Find definitions for: cir•ro•cu•mu•lus Pronunciation: (sir"ō-ky'myu-lus), [key] — pl. -lus. a cirriform cloud of a class characterized by thin, white patches, each of which is composed of very small granules or ripples: of high altitude, ab. 20,000–40,000 ft. (6000–12,000 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cirrocumulus (Thesaurus) cirro- cirrose Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language