noun
one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles
• Hypernyms: ↑coelenterate, ↑cnidarian
• Member Holonyms: ↑Cnidaria, ↑phylum Cnidaria, ↑Coelenterata, ↑phylum Coelenterata
Useful english dictionary. 2012.