conk 1 (kŏngk) Slang
a. The head.
b. A blow, especially on the head.
2. Chiefly British The human nose.
v. conked, conk·ing, conks
To hit, especially on the head.
1. To stop functioning; fail: The engine conked out on the final lap.
2. To fall asleep, especially suddenly or heavily: conked out on the couch watching television.
3. To pass out; faint.
4. To die.
[Perhaps variant of CONCH. N., sense 1b, and v., probably of imitative origin.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. 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.