Petasites Petalostemon • Petaurista · · · Info · Definitions · Characters · · Petasites · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) genus of rhizomatous herbs of north temperate regions: butterbur; sweet coltsfoot. Synonyms: genus Petasites. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074