[ˈprɒksi], (Noun)

Definitions:
- the authority to represent someone else, especially in voting
(e.g: Britons overseas may register to vote by proxy)

- a figure that can be used to represent the value of something in a calculation
(e.g: the use of a US wealth measure as a proxy for the true worldwide measure)

- a proxy server, or a system or service that involves one


Phrases:

Origin:
late Middle English: contraction of procuracy