Source : Webster's Revised Unabridged Dictionary (1913)

Decurrent \De*cur"rent\, a. [L. decurrens, -entis, p. pr. of
   decurrere to run down; de- + currere to run: cf. F.
   d['e]current.] (Bot.)
   Extending downward; -- said of a leaf whose base extends
   downward and forms a wing along the stem. --
   {De*cur"rent*ly}, adv.