Is “Hydra” a Scrabble word?
Yes
HYDRA
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Hydra
/ˈhaɪdɹə/
noun
1.Any of several small freshwater polyps of the genus Hydra and related genera, having a naked cylindrical body and an oral opening surrounded by tentacles.
2.A dragon-like creature with many heads and the ability to regrow them when maimed.
3.A complex, multifarious problem or situation that cannot be solved easily and rapidly.