Definition of Cnidaria in English:


Syllabification: Cni·dar·i·a
Pronunciation: /nīdˈe(ə)rēə
  • A phylum of aquatic invertebrate animals that comprises the coelenterates.
    More example sentences
    • By this usage, the basal metazoans comprise just four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) and the large clade Bilateria.
    • Four phyla (Placozoa, Porifera, Cnidaria, and Ctenophora) are typically thought to have an ancient origin within Metazoa.
    • Despite these attempts, relationships among Bilateria, Cnidaria, Ctenophora, Placozoa, and Porifera remain obscure.


modern Latin (plural), from Greek knidē 'nettle'.

More definitions of Cnidaria

Definition of Cnidaria in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day skosh
Pronunciation: skōSH
a small amount; a little