noun a district under the jurisdiction of a legate.
2. legation ·noun the sending forth or commissioning one person to act for another.
3. legation ·noun the place of business or official residence of a diplomatic minister at a foreign court or seat of government.
4. legation ·noun 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.