Source : Webster's Revised Unabridged Dictionary (1913)

Secretariat \Sec`re*ta"ri*at\, Secretariate \Sec`re*ta"ri*ate\,
   n. [F. secr['e]tariat.]
   The office of a secretary; the place where a secretary
   transacts business, keeps records, etc.

Source : WordNet®

secretariate
     n : an administrative unit responsible for maintaining records
         and other secretarial duties; especially for
         international organizations [syn: {secretariat}]