1. Either of two diving ducks (Bucephala clangula or B. islandica) of northern regions, having a short black bill, a rounded head, and yellow eyes.
2. Any of various lacewings of the family Chrysopidae having yellow or copper-colored eyes.
[From their golden-yellow eyes.]
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:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.