Webster's Revised Unabridged Dictionary · 1913

Actinozoa

Actinozoa ({not transcribed}) , noun, plural

[Greek {not transcribed}, {not transcribed}, ray + zw^,on animal.]

(Zoology) A group of Colenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example.