fa·ci·es (fāshē-ēz′, -shēz)
n. pl. facies
1. Biology The general aspect or outward appearance, as of a given growth of flora.
2. Medicine The appearance or expression of the face, especially when typical of a certain disorder or disease.
3. Geology A rock or stratified body distinguished from others by its appearance or composition.
[Latin faciēs; see dhē- in the Appendix of Indo-European roots.]
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.