BRYOZOAN
\bɹˈa͡ɪəzˌə͡ʊn], \bɹˈaɪəzˌəʊn], \b_ɹ_ˈaɪ_ə_z_ˌəʊ_n]\
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sessile aquatic animal forming mosslike colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
By Princeton University