Webster’s Revised Unabridged Dictionary · 1913
Decurrent
De·cur′rent (·rent), a. [L. decurrens, -entis, p. pr. of decurrere to run down; de- + currere to run: cf. F. décurrent.] (Bot.) Extending downward; — said of a leaf whose base extends downward and forms a wing along the stem. — De·cur′rent·ly, adv.