chancellery

noun, plural chan·cel·ler·ies.

1. the position of a chancellor.
2. the office or department of a chancellor.
3. the office attached to an embassy or consulate.
4. a building or room occupied by a chancellor’s department.

noun plural -leries or -lories

1. the building or room occupied by a chancellor’s office
2. the position, rank, or office of a chancellor
3. US
   1. the residence or office of an embassy or legation
   2. the office of a consulate
4. British another name for a diplomatic chancery