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Any of various marine cnidarians of the class Scyphozoa, which includes most of the jellyfishes, characterized by the absence of a polyp stage or by a polyp that is extremely small.
[From New Latin Scyphozōa, class name : Greek skuphos, cup + New Latin -zōa, pl. of -zōon, -zoon.]
(Animals) any marine medusoid coelenterate of the class Scyphozoa; a jellyfish
(Animals) of, relating to, or belonging to the Scyphozoa
[C19: via New Latin from Greek skuphos bowl + zōion animal]
scy•pho•zo•an(ˌsaɪ fəˈzoʊ ən)
1. any cnidarian of the class Scyphozoa, comprising the true marine jellyfishes.adj.
2. belonging or pertaining to the scyphozoans.
[1910–15; < New Latin Scyphozo(a)]
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|Noun||1.||scyphozoan - any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle|
cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms