Medusa

n.	1.	(Class. Myth.) The Gorgon; or one of the Gorgons whose hair was changed into serpents, after which all who looked upon her were turned into stone.
	2.	(Zool.) Any free swimming acaleph; a jellyfish. Medusa bud (Zool.) one of the buds of a hydroid, destined to develop into a gonophore or medusa. See Athecata, and Gonotheca. Medusa's head a - (Zool.) An astrophyton b - (Astron.) A cluster of stars in the constellation Perseus. It contains the bright star Algol.

Noun	1.	Medusa - (Greek mythology) a woman transformed into a Gorgon by Athena; she was slain by Perseus
	2.	medusa - any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans Synonyms: medusan, jellyfish
	3.	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

Argus, Briareus, Cerberus, Charybdis, Circe, Cyclops, Echidna, Euryale, Gorgon, Harpy, Hydra, Loch Ness monster, Medea, Minotaur, Pegasus, Python, Scylla, Sphinx, Stheno, Talos, Typhon, bewitcher, centaur, charmer, chimera, cockatrice, dragon, drake, enchanter, enchantress, griffin, hippocampus, mermaid, merman, nixie, ogre, ogress, roc, salamander, satyr, sea horse, sea serpent, siren, spellbinder, troll, unicorn, vampire, werewolf, windigo, xiphopagus, zombie