noun🔗ShareHohltierAny simple aquatic animal formerly considered to belong to the phylum Coelenterata, now divided into the cnidarians and ctenophores."The old textbook classified jellyfish as a coelenterate, but modern science now recognizes them as cnidarians. "Das alte Lehrbuch klassifizierte Quallen als Hohltiere, aber die moderne Wissenschaft erkennt sie jetzt als Nesseltiere an.animalbiologyoceannatureorganismChat with AIVocabulary GamePractice Reading