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A constellation in the Southern Hemisphere near Tucana and Mensa.
n, Latin genitive Hydri (ˈhaɪdraɪ)
(Astronomy) a constellation near the S celestial pole lying close to Eridanus and Tucana and containing part of the Small Magellanic cloud
[C17: from Latin, from Greek hudros water serpent, from hudōr water]
|Noun||1.||Hydrus - a constellation in the southern hemisphere near the south celestial pole|