Sleep·ing, a. & n. from Sleep.
  Sleeping car, a railway car or carrriage, arranged with apartments and berths for sleeping.
  Sleeping partner Com., a dormant partner. See under Dormant.
  Sleeping table Mining, a stationary inclined platform on which pulverized ore is washed; a kind of buddle.
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  Car n.
  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.
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  sleeping car
       n : a passenger car that has berths for sleeping [syn: sleeper,
            wagon-lit]