HELIANTHUS Meaning of HELIANTHUS in English [ ˌhi:lɪ'anθəs ]■ noun a plant of the genus Helianthus in the daisy family, especially (in gardening) a sunflower.Originmod. L., from Gk hēlios 'sun' + anthos 'flower'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004