lime twig

Lime \Lime\, n. [AS. l[imac]m; akin to D. lijm, G. leim, OHG.
   l[imac]m, Icel. l[imac]m, Sw. lim, Dan. liim, L. limus mud,
   linere to smear, and E. loam. [root]126. Cf. {Loam},
   {Liniment}.]
   1. Birdlime.
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            Like the lime
            That foolish birds are caught with.   --Wordsworth.
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   2. (Chem.) Oxide of calcium, {CaO}; the white or gray,
      caustic substance, usually called {quicklime}, obtained by
      calcining limestone or shells, the heat driving off carbon
      dioxide and leaving lime. It develops great heat when
      treated with water, forming {slaked lime}, and is an
      essential ingredient of cement, plastering, mortar, etc.
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   Note: Lime is the principal constituent of limestone, marble,
         chalk, bones, shells, etc.
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   {Caustic lime}, Calcium hydroxide or slaked lime; also, in a
      less technical sense, calcium oxide or quicklime.

   {Lime burner}, one who burns limestone, shells, etc., to make
      lime.

   {Lime pit}, a limestone quarry.

   {Lime rod}, {Lime twig}, a twig smeared with birdlime; hence,
      that which catches; a snare. --Chaucer.
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Lime twig \Lime twig\
   See under 4th {Lime}.
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