Hydrae definitions

Hydrae

1) Freshwater polyps 2) Monster with nine heads
Found on https://www.crosswordclues.com/clue/hydrae

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Hydrae

• (pl. ) of Hydra
Found on http://thinkexist.com/dictionary/meaning/hydrae/

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Hydrae

The constellation Hydra. English name: The Water-Snake. Visibility: Visible from the UK See TABLE 20: THE CONSTELLATIONS.
Found on http://www.encyclo.co.uk/local/20448

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