arcturus arctotis venusta • arcual · · · Info · Definitions · Characters · · arcturus · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth. Synonyms: Arcturus. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075