spheromere
Sphe"ro*mere, n. Etym: [Sphere + -mere.] (Zoöl.) Defn: Any one of the several symmetrical segments arranged around the central axis and composing the body of a radiate anmal.
Sphe"ro*mere, n. Etym: [Sphere + -mere.] (Zoöl.) Defn: Any one of the several symmetrical segments arranged around the central axis and composing the body of a radiate anmal.