Added 10 October 2026 anthozoa noun Categories: AnimalsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about anthozoa at Wordnik → Where our words come from → A large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed. Related Words: actinozoaanthozoananthozoonaiptasiacorallimorphariazoanthidacroporastarfish Back to today's word