1. An unconsolidated mixture of rock fragments or pebbles.
2. Medicine The sandlike granular material of urinary calculi.
tr.v. grav·eled, grav·el·ing, grav·els or grav·elled or grav·el·ling
1. To apply a surface of rock fragments or pebbles to.
2. To confuse; perplex.
3. Informal To irritate.
[Middle English, from Old French gravele, diminutive of grave, pebbly shore, of Celtic origin.]
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.