SECRETARIAT Meaning of SECRETARIAT in English [ ˌsɛkrɪ'tɛ:rɪət ]■ noun a governmental administrative office or department.OriginC19: from Fr. secrétariat , from med. L. ~us , from secretarius (see secretary ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004