noun🔗ShareCnidairesAny 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. "Lors de notre sortie scolaire à l'aquarium, nous avons appris que les méduses, les coraux et les anémones de mer sont tous des exemples de cnidaires.animalbiologyorganismoceannatureChat with AIVocabulary GamePractice Reading