The floating, flattened, mouth-down version of the cnidarian body plan. The alternate form is the polyp.

"jellyfish," 1758, as genus name, from the name of one of the three Gorgons with snakes for hair, whose glance turned to stone him who looked upon it (attested in English from late 14c.). He [..]

(Greek mythology: Medousa is a Gorgon with snakes instead of hair) free-swimming bell- or umbrella- shaped form of a coelenterate (e.g. jellyfish). The medusa produces sexually and the fertilised eggs [..]

(n) (Greek mythology) a woman transformed into a Gorgon by Athena; she was slain by Perseus(n) one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coe [..]

the free-swimming stage in the life cycle of cnidarians (synapomorphy of Phylum Cnidaria). Examples are jellyfish.

Model of Ecosystem Dynamics, nutrient Utilisation, Sequestration and Acidification

In Greek mythology, a Gorgon, the daughter of Phorkys and Kreto. A mortal monster with serpents in her hair and a gaze that turned people to stone. When Perseus cuts off her head, Chrysaor and Pegasos [..]

Umbrella-shaped jelly-fish with several long and hairlike tentacles.

the ‘jellyfish’ stage in the life-cycle of hydroids

The free-swimming "jellyfish" stage in a cnidarians life cycle. The other stage is the sedentary "polyp" stage.

An ugly woman who has the magical ability to turn a man's dick to stone. Origins: From the Greco-Roman oracle cult in which followers built up immunities to snake venom and used the poison agains [..]

From the Greek Μέδουσα (Medousa), which was derived from μέδω (medo) meaning "to protect, to rule over". In Greek myth this was th [..]