Definition of proxies:
(n) :
An agent or substitute authorized to act for another person.
(n) :
The authority to act for another, especially when written.
(adj) :
Used as a proxy or acting as a proxy.
(v) :
(networking) To function as a server for a client device, but pass on the requests to another server for service.
(n) :
(software) An interface for a service, especially for one that is remote, resource-intensive, or otherwise difficult to use directly.
(n) :
(sciences) A measurement of one physical quantity that is used as an indicator of the value of another