Smoke \Smoke\ (sm[=o]k), n. [AS. smoca, fr. sme['o]can to
         smoke;
   akin to LG. & D. smook smoke, Dan. sm["o]g, G.
         schmauch, and
   perh. to Gr. ??? to burn in a smoldering
         fire; cf. Lith.
   smaugti to choke.]
   1. The visible
         exhalation, vapor, or substance that escapes,
      or
         expelled, from a burning body, especially from burning
    
          vegetable matter, as wood, coal, peat, or the like.
     
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   Note: The gases of hydrocarbons, raised
         to a red heat or
         thereabouts, without a mixture of air enough to produce
         combustion, disengage their carbon in a fine powder,
         forming smoke. The disengaged carbon when deposited on
         solid bodies is soot.
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   2. That which resembles smoke; a vapor;
         a mist.
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   3. Anything
         unsubstantial, as idle talk. --Shak.
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         Webster]

   4. The act of smoking, esp. of smoking
         tobacco; as, to have a
      smoke. [Colloq.]
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         Webster]

   Note: Smoke is sometimes joined with other
         word. forming
         self-explaining compounds; as, smoke-consuming,
         smoke-dried, smoke-stained, etc.
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   Smoke arch, the smoke box of a locomotive.

  
         Smoke ball (Mil.), a
         ball or case containing a
         composition
      which, when it burns, sends forth thick
         smoke.

   Smoke
         black, lampblack. [Obs.]

   {Smoke
         board}, a board suspended before a fireplace to
     
         prevent the smoke from coming out into the room.

  
         Smoke box, a chamber
         in a boiler, where the smoke, etc.,

              from the furnace is collected before going out at the

              chimney.

   Smoke
         sail (Naut.), a small sail in
         the lee of the galley
      stovepipe, to prevent the smoke
         from annoying people on
      deck.

   Smoke tree
         (Bot.), a shrub (Rhus
         Cotinus) in which the
      flowers
         are mostly abortive and the panicles transformed
      into
         tangles of plumose pedicels looking like wreaths of
     
         smoke.

   To end
         in smoke, to burned; hence, to be
         destroyed or
      ruined; figuratively, to come to
         nothing.
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   Syn: Fume; reek;
         vapor.
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