Definition of "sunflower" [sun•flow•er]

• Any of several plants of the genus Helianthus, especially H. annuus, having tall coarse stems and large, yellow-rayed flower heads that produce edible seeds rich in oil. (noun)
• The seedlike fruit or the seeds of this plant. (noun)
• A brilliant yellow to strong or vivid orange yellow. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "The contrast of shape and colour with the ragged/spiky sepals of the sunflower is stunning!"
• "In today's picture: another spent sunflower from the garden (I harvested the seeds for sowing next spring); homegrown tomatoes, too!"