1. The party for which professional services are rendered, as by an attorney.
2. A customer or patron: clients of the hotel.
3. A person using the services of a social services agency.
4. One that depends on the protection of another.
5. A client state.
6. Computers A computer or program that can download files for manipulation, run applications, or request application-based services from a file server.
[Middle English, from Old French, from Latin cliēns, client-, dependent, follower; see klei- in the Appendix of Indo-European roots.]
client·age (-ən-tĭj) n.
cli·ental (klī-ĕntl, klīən-) adj.
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.