EXCURRENT
Adjective
excurrent (not comparable)
(botany) Of a vein or costa, extending beyond the tip or the margin of a leaf.
Source: Wiktionary
Ex*cur"rent, a. Etym: [L. excurrens, p. p. of excurrere, excursum, to
run out; ex out + currere to run. See Current.]
1. Running or flowing out; as: (Bot.)
Definition: Running or extending out; as, an excurrent midrib, one which
projects beyond the apex of a leaf; an excurrent steam or trunk, one
which continues to the top.
2. (Zoöl)
Definition: Characterized by a current which flows outward; as, an
excurrent orifice or tube.
Source: Webster’s Unabridged Dictionary 1913 Edition