Dictionary.com
Thesaurus.com

proxy server

American  
[prok-see sur-ver] / ˈprɒk si ˌsɜr vər /

noun

Computers.

  1. a server that receives requests, filters them, and forwards them to a network on behalf of another computer or network which it represents under a surrogate IP address: used to provide anonymity or increased security or to carry out intermediate processing.

proxy server British  

noun

  1. computing a computer that acts as an intermediary between a client machine and a server, caching information to save access time

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of proxy server

First recorded in 1985–90

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.