Source : Webster's Revised Unabridged Dictionary (1913)

Archchamberlain \Arch`cham"ber*lain\, n. [Cf. G. erzk["a]mmerer.
   See {Arch-}, pref.]
   A chief chamberlain; -- an officer of the old German empire,
   whose office was similar to that of the great chamberlain in
   England.