Source : Webster's Revised Unabridged Dictionary (1913)

Parlor \Par"lor\, n. [OE. parlour, parlur, F. parloir, LL.
   parlatorium. See {Parley}.] [Written also {parlour}.]
   A room for business or social conversation, for the reception
   of guests, etc. Specifically:
   (a) The apartment in a monastery or nunnery where the inmates
       are permitted to meet and converse with each other, or
       with visitors and friends from without. --Piers Plowman.
   (b) In large private houses, a sitting room for the family
       and for familiar guests, -- a room for less formal uses
       than the drawing-room. Esp., in modern times, the dining
       room of a house having few apartments, as a London house,
       where the dining parlor is usually on the ground floor.
   (c) Commonly, in the United States, a drawing-room, or the
       room where visitors are received and entertained.

   Note: ``In England people who have a drawing-room no longer
         call it a parlor, as they called it of old and till
         recently.'' --Fitzed. Hall.

   {Parlor car}. See {Palace car}, under {Car}.

Car \Car\, n. [OF. car, char, F. cahr, fr. L. carrus, Wagon: a
   Celtic word; cf. W. car, Armor. karr, Ir. & Gael. carr. cf.
   {Chariot}.]
   1. A small vehicle moved on wheels; usually, one having but
      two wheels and drawn by one horse; a cart.

   2. A vehicle adapted to the rails of a railroad. [U. S.]

   Note: In England a railroad passenger car is called a railway
         carriage; a freight car a goods wagon; a platform car a
         goods truck; a baggage car a van. But styles of car
         introduced into England from America are called cars;
         as, tram car. Pullman car. See {Train}.

   3. A chariot of war or of triumph; a vehicle of splendor,
      dignity, or solemnity. [Poetic].

            The gilded car of day.                --Milton.

            The towering car, the sable steeds.   --Tennyson.

   4. (Astron.) The stars also called Charles's Wain, the Great
      Bear, or the Dipper.

            The Pleiads, Hyads, and the Northern Car. --Dryden.

   5. The cage of a lift or elevator.

   6. The basket, box, or cage suspended from a balloon to
      contain passengers, ballast, etc.

   7. A floating perforated box for living fish. [U. S.]

   {Car coupling}, or {Car coupler}, a shackle or other device
      for connecting the cars in a railway train. [U. S.]

   {Dummy car} (Railroad), a car containing its own steam power
      or locomotive.

   {Freight car} (Railrood), a car for the transportation of
      merchandise or other goods. [U. S.]

   {Hand car} (Railroad), a small car propelled by hand, used by
      railroad laborers, etc. [U. S.]

   {Horse car}, or {Street car}, an omnibus car, draw by horses
      or other power upon rails laid in the streets. [U. S.]

   {Palace car}, {Drawing-room car}, {Sleeping car}, {Parlor
   car}, etc. (Railroad), cars especially designed and furnished
      for the comfort of travelers.

Source : WordNet®

parlor car
     n : a passenger car for day travel; you pay extra fare for
         individual chairs [syn: {parlour car}, {drawing-room car},
          {palace car}, {chair car}]