Actinozoa \Ac"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.

Source: Webster's Revised Unabridged Dictionary (1913)