[1] : The Collaborative International Dictionary of English v.0.48

yamen \ya"men\, n. chin. ya a civil or military court + men a
   gate.
   in china, the official headquarters or residence of a
   mandarin, including court rooms, offices, gardens, prisons,
   etc.; the place where the business of any public department
   is transcated.
   webster 1913 suppl.

Yamen >> Y Words
Yamen, definition of term: Yamen
yamen_pag1.html