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sea mat
Nounsea mat has 1 sense
bryozoan, polyzoan, sea mat, sea moss, moss animal - 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 --1is a kind ofinvertebrate --1is a member of Bryozoa, phylum Bryozoa, polyzoa