Source : Webster's Revised Unabridged Dictionary (1913)

Bindweed \Bind"weed`\, n. (Bot.)
   A plant of the genus {Convolvulus}; as, greater bindweed ({C.
   Sepium}); lesser bindweed ({C. arvensis}); the white, the
   blue, the Syrian, bindweed. The black bryony, or {Tamus}, is
   called {black bindweed}, and the {Smilax aspera}, {rough
   bindweed}.

         The fragile bindweed bells and bryony rings.
                                                  --Tennyson.

Source : WordNet®

bindweed
     n : any of several vines of the genera Convolvulus and
         Calystegia having a twining habit