Noun medusa has 3 senses
- Medusa - (Greek mythology) a woman transformed into a Gorgon by Athena; she was slain by Perseus
--1 is a kind of Gorgon
- jellyfish, medusa, medusan - any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans
--2 is a kind of coelenterate, cnidarian
--2 is a member of Cnidaria, phylum Cnidaria, Coelenterata, phylum Coelenterata
--2 has particulars: Aegina; Chrysaora quinquecirrha
- medusa - one of two forms that coelenterates take: is the free-swimming sexual stage in the life cycle of a coelenterate and has a gelatinous umbrella-shaped body and tentacles
--3 is a kind of coelenterate, cnidarian
--3 is a member of Cnidaria, phylum Cnidaria, Coelenterata, phylum Coelenterata
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