Hydrus

name

name ·Rare ·Advanced level

Definitions

Proper Noun
  1. 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”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.