noun
legate
LEG-ut/ˈleɡət/
An official representative, especially of the pope.
The legate presents the ruler's sealed message to the receiving court.

Etymology
Latin legatus described an envoy as someone “provided with a commission.” A legate therefore represents another authority by an assigned mandate, as in the original English use for a pope’s authorized representative.
In context
Being a papal legate gave to the holder of the office in his locality virtually all the powers of a pope.
was sent by Pope Gregory the 13th … as Papal Legate … in order to mediate in the Livonian War.
More examples
- The legate carried an official message.
- A papal legate attended the ceremony.
- The delegates received the legate respectfully.
Forms
legate · legates