medusan
/mɪˈdjuːz(ə)n/ /mɪˈdjuːs(ə)n/ /mɪˈdʒuːz(ə)n/adjective
1Chiefly with capital initial. Of, relating to, or resembling the Gorgon Medusa.
2 Zoology. Of, relating to, or resembling a medusa.
noun
Zoology. A medusoid cnidarian.
Origin
Late 18th century; earliest use found in ‘Anthony Pasquin’ (1754–1818), satirist (real name John Williams). From Medusa + -an.