cirrus cloud cirrus • cirrus haze · · · Info · Definitions · Synonyms · Characters · · cirrus cloud · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles). Synonyms: cirrus, cirrus cloud. · · Noun Definition 1 Synonyms · · · cirrus · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075