fur·row (fûrō, fŭrō)
1. A long, narrow, shallow trench made in the ground by a plow.
2. A rut, groove, or narrow depression: snow drifting in furrows.
3. A deep wrinkle in the skin, as on the forehead.
v. fur·rowed, fur·row·ing, fur·rows
1. To make long, narrow, shallow trenches in; plow.
2. To form grooves or deep wrinkles in.
To become furrowed or wrinkled.
[Middle English forwe, from Old English furh.]
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.