procuration

noun4

1. •
   The act of procuring; procurement.

   • For she was not only publicly contracted, but stated as a bride, and solemnly bedded, and after she was laid, there came in Maximilian's ambassador with letters of procuration — 1622
2. •
   The instrument by which a person is empowered to transact the affairs of another; a proxy.
3. •
   The management of another's affairs.
4. •
   A sum of money formerly paid to the bishop or archdeacon, by an incumbent, as a commutation for entertainment at the time of visitation; called also proxy.