medusa
noun14th century{ds||1||}
- a mortal Gorgon who is slain when decapitated by Perseus
- the typically free-swimming, bell-shaped, usually sexually-reproducing, solitary or colonial form of a cnidarian (such as an obelia, box jellyfish, or sea nettle) in which nematocyst-studded tentacles arise and hang down from the margin of the nearly transparent, gelatinous bell
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