Source : Webster's Revised Unabridged Dictionary (1913)

Wardroom \Ward"room`\, n.
   1. (Naut.) A room occupied as a messroom by the commissioned
      officers of a war vessel. See {Gunroom}. --Totten.

   2. A room used by the citizens of a city ward, for meetings,
      political caucuses, elections, etc. [U. S.]

Source : WordNet®

wardroom
     n : military quarters for dining and recreation for officers of
         a warship (except the captain)