An annual Eurasian plant (Centaurea cyanus) in the composite family, cultivated and also naturalized in North America and having showy heads of blue, purple, pink, or white flowers. Also called bachelor's button.
[Early Modern English, from CORN1, grain (so called because it was once a common weed in fields of wheat, barley, oats, and rye).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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