noun🔗ShareNesseltierAny of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges and ctenophores that belong to the phylum Cnidaria."While swimming in the ocean, we saw a beautiful jellyfish, a type of cnidarian. "Beim Schwimmen im Ozean sahen wir eine wunderschöne Qualle, eine Art Nesseltier.animalbiologyoceannatureChat with AIVocabulary GamePractice Reading