frost grape

Frost \Frost\ (fr[o^]st; 115), n. [OE. frost, forst, AS. forst,
   frost. fr. fre['o]san to freeze; akin to D. varst, G., OHG.,
   Icel., Dan., & Sw. frost. [root]18. See {Freeze}, v. i.]
   1. The act of freezing; -- applied chiefly to the congelation
      of water; congelation of fluids.
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   2. The state or temperature of the air which occasions
      congelation, or the freezing of water; severe cold or
      freezing weather.
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            The third bay comes a frost, a killing frost.
                                                  --Shak.
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   3. Frozen dew; -- called also {hoarfrost} or {white frost}.
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            He scattereth the hoarfrost like ashes. --Ps.
                                                  cxlvii. 16.
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   4. Coldness or insensibility; severity or rigidity of
      character. [R.]
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            It was of those moments of intense feeling when the
            frost of the Scottish people melts like a snow
            wreath.                               --Sir W.
                                                  Scott.
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   {Black frost}, cold so intense as to freeze vegetation and
      cause it to turn black, without the formation of
      hoarfrost.

   {Frost bearer} (Physics), a philosophical instrument
      illustrating the freezing of water in a vacuum; a
      cryophorus.

   {Frost grape} (Bot.), an American grape, with very small,
      acid berries.

   {Frost lamp}, a lamp placed below the oil tube of an Argand
      lamp to keep the oil limpid on cold nights; -- used
      especially in lighthouses. --Knight.

   {Frost nail}, a nail with a sharp head driven into a horse's
      shoe to keep him from slipping.

   {Frost smoke}, an appearance resembling smoke, caused by
      congelation of vapor in the atmosphere in time of severe
      cold.
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            The brig and the ice round her are covered by a
            strange black
            obscurity: it is the frost smoke of arctic winters.
                                                  --Kane.

   {Frost valve}, a valve to drain the portion of a pipe,
      hydrant, pump, etc., where water would be liable to
      freeze.

   {Jack Frost}, a popular personification of frost.
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Grapevine \Grape"vine`\, n. (Bot.)
   A vine or climbing shrub, of the genus {Vitis}, having small
   green flowers and lobed leaves, and bearing the fruit called
   {grapes}.
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   Note: The common grapevine of the Old World is {Vitis
         vinifera}, and is a native of Central Asia. Another
         variety is that yielding small seedless grapes commonly
         called {Zante currants}. The northern {Fox grape} of
         the United States is the {V. Labrusca}, from which, by
         cultivation, has come the Isabella variety. The
         southern {Fox grape}, or {Muscadine}, is the {V.
         vulpina}. The {Frost grape} is {V. cordifolia}, which
         has very fragrant flowers, and ripens after the early
         frosts.
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