ActinozoaAc"ti*no*zo"a\, n. pl. [Gr. ?, ?, ray + zw^on animal.] (Zo["o]l.) A group of C[oe]lenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example.
|a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed [syn: Anthozoa]|