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CNIDARIA
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I. (noun)
Sense 1
Meaning:
Hydras; polyps; jellyfishes; sea anemones; corals
Synonyms:
Cnidaria; Coelenterata; phylum Cnidaria; phylum Coelenterata
Classified under:
Hypernyms ("Cnidaria" is a kind of...):
phylum ((biology) the major taxonomic group of animals and plants; contains classes)
Meronyms (members of "Cnidaria"):
cnidarian; coelenterate (radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms)
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)
medusa; medusan; medusoid (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)
class Scyphozoa; Scyphozoa (coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes)
jellyfish (any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans)
class Hydrozoa; Hydrozoa (coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes)
Actinozoa; Anthozoa; class Actinozoa; class Anthozoa (a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed)
Holonyms ("Cnidaria" is a member of...):
Metazoa; subkingdom Metazoa (multicellular animals having cells differentiated into tissues and organs and usually a digestive cavity and nervous system)
