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. [1913 Webster]