Anadromous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Anadromous \A*nad"ro*mous\, a. [Gr. ? running upward; ? + ? a
     running, ? to run.]
     1. (Zool.) Ascending rivers from the sea, at certain seasons,
        for breeding, as the salmon, shad, etc.
        [1913 Webster]
  


     2. (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] Anemia

From WordNet (r) 2.0 [wn]:

  anadromous
       adj : migrating from the sea to fresh water to spawn [ant: {catadromous},
              {diadromous}]