| n. pl. | 1. | (Zool.) The class of the Clenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria. |
| Noun | 1. | Anthozoa - no alternation of generations the medusoid phase being entirely suppressed: sea anemones; corals |
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