Hydrus

·noun A constellation of the southern hemisphere, near the south pole.

hydrus
hydrus or -os, i, m., = ὕδρος, a water-serpent, serpent (cf.: chelydrus, chersydrus, anguis, serpe...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Hydrus
Hydrūs, untis, f., = Ὑδροῦς, a city of Calabria , under a mountain of the same name , now Otranto ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
hydrus
hydrus (-os) ī, m , ὕδρος, a water-serpent, serpent, snake, V., O.—In the hair of the Furies, of Me...

An Elementary Latin Dictionary