Cyril cyril • cyril burt · · · Info · Definitions · Characters · · Cyril · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) Greek missionary; the invention of the Cyrillic alphabet is attributed to him (826-869). Synonyms: Saint Cyril, St. Cyril. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 y latin small letter y U+0079