sunflower

IPA: sˈʌnfɫaʊɝ

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.
A bright yellow, like that of the flower petals.
(informal, organic chemistry) Any flat, radially symmetric organic compound, such as coronene.
(pathology) Synonym of worm-star
(UK, rail transport) 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.

Examples of "sunflower" in Sentences

The contrast of shape and colour with the ragged/spiky sepals of the sunflower is stunning!
Visitor unable to see the Chinese artist's 100m porcelain sunflower seeds was told they were creating too much ceramic dust
In today's picture: another spent sunflower from the garden (I harvested the seeds for sowing next spring); homegrown tomatoes, too!
This collection of 4 dinner plates features a collage of floral patterns in sunflower gold, olive green, spicy orange, lavender and sky blue.
Dr Kulze says to minimize your intake of omega-6 fats (like in sunflower, safflower, corn and cottonseed oils) along with saturated and trans fats to ensure your risk is at its most reduced.