any of various composite plants of the genus Helianthus, as H. annuus, having showy, yellow-rayed flower heads often 12 inches (30 cm) wide, and edible seeds that yield an oil with a wide variety of uses: the state flower of Kansas.
Also called aster. Furniture. a conventionalized flower motif carved in the center panels of a Connecticut chest.
any of several American plants of the genus Helianthus, esp H. annuus, having very tall thick stems, large flower heads with yellow rays, and seeds used as food, esp for poultry: family Asteraceae (composites) See also Jerusalem artichoke
sunflower seed oil, the oil extracted from sunflower seeds, used as a salad oil, in the manufacture of margarine, etc