noun🔗ShareTournesolAny plant, of the genus Helianthus, having large flower heads with dark disk florets and showy yellow rays; the sunflowers"The field was ablaze with yellow, a sea of helianthus reaching for the sun. "Le champ était en feu de jaune, une mer de tournesols tendus vers le soleil.plantvegetablenaturebiologyseedagriculturefoodChat with AIVocabulary GamePractice Reading