The Collaborative International Dictionary
Anadromous \A*nad"ro*mous\, a. [Gr. ? running upward; ? + ? a running, ? to run.]
(Zo["o]l.) Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc.
(Bot.) Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.
--D. C. Eaton. [1913 Webster] ||
Douglas Harper's Etymology Dictionary
a. 1 (context of a migratory fish English) That lives in the sea and breeds in fresh water. 2 (context botany English) Of a fern in which the first veins in a frond segment are produced towards the apex of the frond.
Usage examples of "anadromous".
One thing habitat designers had not figured out was a way to grow anadromous fish in a space colony.