[そかぎょ;さっかぎょ, sokagyo ; sakkagyo] (n) (See 降河魚) anadromous fish (fish that migrates upstream, e.g. salmon) [Add to Longdo]
Result from Foreign Dictionaries (2 entries 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.
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) 3.0 (2006) [wn]:
adj 1: migrating from the sea to fresh water to spawn [ant:
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