Hydrus
name
name ·Rare ·Advanced level
Definitions
Proper Noun
- 1 A winter constellation of the southern sky, said to resemble a small serpent. It lies between the constellations Mensa and Tucana. It is not to be confused with the constellation Hydra.
Etymology
Named by Dutch explorers Pieter Dirkszoon Keyser and Frederick de Houtman between 1595 and 1597. From Latin hydrus (“water serpent”), originally from Ancient Greek Ὕδρα (Húdra, “Hydra”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.