(1):
(n.) A legate, or envoy, and the persons associated with him in his mission; an embassy; or, in stricter usage, a diplomatic minister and his suite; a deputation.
(2):
(n.) A district under the jurisdiction of a legate.
(3):
(n.) The sending forth or commissioning one person to act for another.
(4):
(n.) The place of business or official residence of a diplomatic minister at a foreign court or seat of government.