noun🔗ShareAny of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges and ctenophores that belong to the phylum Cnidaria."During our field trip to the aquarium, we learned that jellyfish, corals, and sea anemones are all examples of cnidarians. "animalbiologyorganismoceannatureChat with AIVocabulary GamePractice Reading
