Definition of cnidarian Cnidarian
cni•dar•i•an
We found 3 definitions of cnidarian from 3 different sources.
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What does cnidarian mean?
WordNet
Noun |
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| cnidarian - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms | ||
| coelenterate | ||
| invertebrate any animal lacking a backbone or notochord; the term is not used as a scientific classification | ||
| cnidaria, coelenterata, phylum cnidaria, phylum coelenterata hydras; polyps; jellyfishes; sea anemones; corals | ||
| coelenteron the saclike body cavity of a coelenterate | ||
| polyp one of two forms that coelenterates take (e.g. a hydra or coral): usually sedentary with a hollow cylindrical body usually with a ring of tentacles around the mouth; "in some species of coelenterate, polyps are a phase in the life cycle that alternates with a medusoid phase" | ||
| medusan, medusoid, medusa 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 | ||
| jellyfish any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans | ||
| scyphozoan any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle | ||
| hydroid, hydrozoan colonial coelenterates having the polyp phase dominant | ||
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Wiktionary 
- cnidarian (Noun)
Any of various invertebrate animals, such as jellyfish, hydras, sea anemone s, corals and formerly sponges and ctenophores that belong to the phylum Cnidaria.
Part of speech
🔤- cnidarian, noun, singular of cnidarians.
