hydroid

Từ điển WordNet v3.1 - WordNet Dictionary

noun

colonial coelenterates having the polyp phase dominant
• Syn:
hydrozoan
• Hypernyms:
coelenterate, cnidarian
• Hyponyms:
planula, hydra, siphonophore, sertularian
• Member Holonyms:
Hydrozoa, class Hydrozoa