withdraw : Idioms & Phrases

• noun a formal room where visitors can be received and entertained
  drawing room.
  

WordNet

With*draw"ing-room` noun

Etymology

See Withdraw, and cf. Drawing-room.

Definitions

1. A room for retirement from another room, as from a dining room; a drawing-room.

   A door in the middle leading to a parlor and withdrawing-room. Sir W. Scott.

Webster 1913