From Longman Dictionary of Contemporary Englishchancellerychan‧cel‧ler‧y /ˈtʃɑːnsələri $ ˈtʃæn-/ noun (plural chancelleries) [countable] 1 SECPGthe building in which a chancellor has his or her office2 PGOthe officials who work in a chancellor’s office3 PGthe offices of an official representative of a foreign country SYN chanceryOrigin chancellery (1200-1300) Old French chancellerie, from chancelier; → CHANCELLOR