bird·lime /ˈbɝdˌlaɪm/
  粘鳥膠
  Bird·lime n.  An extremely adhesive viscid substance, usually made of the middle bark of the holly, by boiling, fermenting, and cleansing it. When a twig is smeared with this substance it will hold small birds which may light upon it. Hence: Anything which insnares.
  Not birdlime or Idean pitch produce
  A more tenacious mass of clammy juice.   --Dryden.
  Note: ☞ Birdlime is also made from mistletoe, elder, etc.
  Bird·lime, v. t. To smear with birdlime; to catch with birdlime; to insnare.
     When the heart is thus birdlimed, then it cleaves to everything it meets with.   --Coodwin.
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  birdlime
       n : a sticky adhesive that is smeared on small branches to
           capture small birds [syn: lime]
       v : spread birdlime on branches to catch birds [syn: lime]