noun Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers. The commonly cultivated species, Helianthus annuus, a native of America.
noun The commonly cultivated species, Helianthus annuus, a native of America.
noun A bright yellow, like that of the flower petals.
sunflower:
noun Any flat, radially symmetric organic compound, such as coronene.
noun Synonym of worm-star.
noun An Automatic Warning System (AWS) indicator in the driver's cab that is displayed after a driver has acknowledged an audible warning, which consists of a yellow circle enclosing a white circle, with black spokes overlaid.