1. (a.) Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc.
2. (a.) Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.
| Anadromous 1. (a.) Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc. 2. (a.) Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem. | |