Source : Webster's Revised Unabridged Dictionary (1913)

Withwind \With"wind`\, n. [AS. wi[eth]owinde.] (Bot.)
   A kind of bindweed ({Convolvulus arvensis}).

         He bare a burden ybound with a broad list, In a
         withewyndes wise ybounden about.         --Piers
                                                  Plowman.

Bearbind \Bear"bind`\, n. (Bot.)
   The bindweed ({Convolvulus arvensis}).

Cornbind \Corn"bind`\ (k?rn"b?nd`), n. (Bot.)
   A weed that binds stalks of corn, as {Convolvulus arvensis},
   {Polygonum Convolvulus}. [Prov. Eng.]

Source : WordNet®

Convolvulus arvensis
     n : weakly climbing European perennial with white or pink
         flowers; naturalized in North America and an invasive
         weed [syn: {field bindweed}, {wild morning-glory}]