excurrent

adjective

1. running out or forth
2. Bot.
   1. projecting beyond the tip, as the midrib of certain leaves
   2. having an undivided projecting main stem, as fir trees
3. Zool. of ducts, tubes, or passages whose contents flow outward

Etymology: L excurrens, prp. of excurrere, to run out, project < ex-, out + currere, to run: see current