…the only mortal gorgon, whom Perseus killed by cutting off her head…
…a free-swimming sexual form of a coelenterate such as a jellyfish, typically having an umbrella-shaped body with stinging tentacles around the edge. In some species, medusae are a phase in the life cycle which alternates with a polypoid phase…
…a fish of the cool temperate waters of the North Pacific, the young of which typically accompany jellyfishes and may feed on their tentacles…
