n. pl. prox·ies
a. One appointed or authorized to act for another, especially a person appointed to vote as one wishes at a meeting.
b. The authority to act for another.
c. The written authorization to act in place of another.
2. An entity or variable used to model or generate data assumed to resemble the data associated with another entity or variable that is typically more difficult to research.
3. Computers A server that processes requests and forwards information between a client and another server.
[Middle English proccy, contraction of earlier procracie, annual payment to a prelate, from Anglo-Norman procuracie, from Medieval Latin prōcūrātia, alteration of Latin prōcūrātiō, from prōcūrātus, past participle of prōcūrāre, to take care of; see PROCURE.]
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.