Found 2 items, similar to Hydrus.
English → English (WordNet) Definition: Hydrus Hydrus n : a constellation in the southern hemisphere near the south celestial pole
English → English (gcide) Definition: Hydrus Hydrus \Hy"drus\, n. [L., a water serpent; also, a certain constellation, Gr. "y`dros.] (Astron.) A constellation of the southern hemisphere, near the south pole. [1913 Webster]