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| hy·dra [ hdrə ] (plural hy·dras or hy·drae [ hdree ]) |
noun |
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| Definition: |
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freshwater organism: a freshwater polyp with a cylindrical body at one end and a mouth surrounded by tentacles at the other. Genus Hydra.
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| [Late 18th century. Via modern Latin< Greek hudra "water snake"] |
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