sunflower sunfishery • sunflower oil · · · Info · Definitions · Synonyms · Characters · · sunflower · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) any plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays. Synonyms: helianthus. · · Noun Definition 1 Synonyms · · · helianthus · · Synonym 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E 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 w latin small letter w U+0077