carduus cardura • carduus crispus · · · Info · Definitions · Characters · · carduus · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) genus of annual or perennial Old World prickly thistles. Synonyms: Carduus, genus Carduus. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075