Definify.com
Webster 1913 Edition
Catadromous
Ca-tad′ro-mous
,Adj.
[Gr.
κατά
down + δρόμοσ
a running.] 1.
(Bot.)
Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; – said of a mode of branching in ferns, and opposed to
anadromous
. 2.
(Zool.)
Living in fresh water, and going to the sea to spawn; – opposed to
anadromous
, and said of the eel.