Actinozoa

noun

1. a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed

   noun.animal

   Synonyms anthozoa class actinozoa class anthozoa

   Source: WordNet 3.0

2. A group of Cœlenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example.

   noun

   Source: webster1913