sea mat

Từ điển Oxford Learners Wordfinder Dictionary

noun

sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles;
attach to stones or seaweed and reproduce by budding
• Syn:
bryozoan, polyzoan, sea moss, moss animal
• Hypernyms:
invertebrate
• Member Holonyms:
Bryozoa, phylum Bryozoa, polyzoa