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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.]

scy′pho·zo′an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌsaɪ fəˈzoʊ ən)

1. any cnidarian of the class Scyphozoa, comprising the true marine jellyfishes.
2. belonging or pertaining to the scyphozoans.
[1910–15; < New Latin Scyphozo(a)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
class Scyphozoa, Scyphozoa - coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Other cnidarian species, such as the scyphozoan Pelagia, have similar muscular organization (Seipel and Schmid, 2005, 2006).
A commensal relationship between the scyphozoan medusae Catostylus mosaicus and the copepod Paramacrochiron maximum.
In contrast, scyphozoan taxa (particularly Semaeostomeae) are well represented in both neritic and oceanic environments across the latitudinal range covered in this study.
Differential ingestion and digestion of bivalve larvae by the scyphozoan Chrysaora quinquecirrha and the ctenophore Mnemiopsis leidyi.
New scyphozoan species in the Sea of Marmara: Chrysaora hysoscella, 2nd International Conference Oceanography of the Eastern Mediterranean and Black Sea, METU, 857-859, Ankara, Turkey.
Kim, "Scyphozoan jellyfish venom metalloproteinases and their role in the cytotoxicity," Toxicon, vol.
Sphenothallus is a phosphatic scyphozoan closely related to Byronia (van Iten et al.
Caption: Scyphozoan Cyanea capillata, lion's mane jellyfish
Scyphozoan jellyfish are conspicuous because of their relatively large size and ability to form dense blooms at seasonal intervals (Brusca & Brusca 2003).
"Moon Jelly" by John Stammers: Its luminescence belongs here in the sea./Throwback from coral, this/polyp floats on the surface: an outcast, seven inches/of nerves, no brain or heart./Four arms hang down from a bell./A drifter--agile, scyphozoan --/a blob of streaks and patterns,/its light in the last hour.
Originally interpreted as fossils of scyphozoan medusae, these structures could represent one of only a half-dozen mass strandings documented from the fossil record.
The effect of dissolved oxygen concentration ([DO]) on budding of Aurelia aurita and Drymonema dalmatinum was investigated as part of a project to examine the effects of environmental variables on scyphozoan asexual reproduction.