The Collaborative International Dictionary
Medusoid \Me*du"soid\, a. [Medusa + -oid.] (Zo["o]l.) Like a medusa; having the fundamental structure of a medusa, but without a locomotive disk; -- said of the sessile gonophores of hydroids. -- n. A sessile gonophore. See Illust. under Gonosome.
Wiktionary
a. Having the shape of a jellyfish n. jellyfish
WordNet
adj. relating to or resembling a medusa
Usage examples of "medusoid".
Frank or Ernest was referring to the Medusoid Mycelium, which was a type of mushroom, or if Hal was referring to the sugar bowl.
He was worried that the Medusoid Mycelium, which had threatened the life of the youngest Baudelaire just days ago, was affecting her in some sinister way.
Baudelaires did not have time to point out that Olaf had also failed the judges, by planning to poison them, along with everyone else in the lobby, with the Medusoid Mycelium, because the elevator immediately stopped on the second story and opened its doors.
Brant hoped the sex would help the Medusoid keep its minds off the pain of this anniversary.
A darker grey than the rest of his skin, the Medusoid cock undulated back and forth, its serpent-like moves hypnotic, compelling, drawing her fascinated gaze.