proxy
proxy (prŏkʹsē) noun
plural proxies
1. A person authorized to act for another; an agent or a substitute.
2. The authority to act for another.
3. The written authorization to act in place of another.
noun, attributive.
Often used to modify another noun: a proxy vote; proxy troops for a world power.
[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.]