1. A major city, especially the chief city of a country or region: Chicago, the metropolis of the Midwest.
2. A city or an urban area regarded as the center of a specific activity: a great cultural metropolis.
3. Ecclesiastical The chief see of a metropolitan bishop.
4. The mother city or country of an overseas colony, especially in ancient Greece.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.