Search Result for "hydrus": 
Wordnet 3.0

NOUN (1)

1. a constellation in the southern hemisphere near the south celestial pole; 



The Collaborative International Dictionary of English v.0.48:

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]


WordNet (r) 3.0 (2006):

Hydrus
    n 1: a constellation in the southern hemisphere near the south
         celestial pole