— medusoid /meuh dooh"soyd, -dyooh"-/ , adj.
/meuh dooh"seuh, -zeuh, -dyooh"-/ , n. , pl. medusas, medusae /-see, -zee/ . Zool.
a saucer-shaped or dome-shaped, free-swimming jellyfish or hydra.
[ 1750-60; special use of MEDUSA, alluding to the Gorgon's snaky locks ]