sea urchin


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Related to sea urchin: sea urchin sting

sea urchin

n.
Any of various echinoderms of the class Echinoidea, having a soft body enclosed in a rounded, radially symmetrical, calcareous skeleton covered with long spines.
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.

sea urchin

n
(Animals) any echinoderm of the class Echinoidea, such as Echinus esculentus (edible sea urchin), typically having a globular body enclosed in a rigid spiny test and occurring in shallow marine waters
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sea′ ur`chin


n.
any echinoderm of the class Echinoidea, having a somewhat globular or discoid form and a shell composed of many calcareous plates covered with projecting spines.
[1585–95]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sea urchin

Any of various invertebrate sea animals having a round body covered by a shell with movable spines. Sea urchins are related to starfish.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sea urchin - shallow-water echinoderms having soft bodies enclosed in thin spiny globular shellssea urchin - shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
class Echinoidea, Echinoidea - sea urchins and sand dollars
Echinus esculentus, edible sea urchin - a sea urchin that can be eaten
sand dollar - flattened disklike sea urchins that live on sandy bottoms
heart urchin - sea urchin having a heart-shaped body in a rigid spiny shell
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
merisiili
hérisson de mer
קיפוד ים
tengeri sün
ígulker
zee-egel

sea urchin

n → riccio di mare
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

sea urchin

n erizo de mar
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in classic literature ?
Weena, who had been rolling a sea urchin down the sloping glass of a case, presently came, as I stared about me, and very quietly took my hand and stood beside me.
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The sea urchin has been used for many years as a model organism to identify key steps of animal fertilization and cellular events early in development (Briggs and Wessel, 2006).
Light-Dependent Electrical Activity in Sea Urchin Tube Feet Cells
The sea urchin's window into the world comes from an unlikely location--its feet.
ANIMAL KINGDOM: From the humble ant to an ocean dweller that is always rolling its eyes, research sheds insight into how creatures large and small view the world
Sea urchin roe is considered a delicacy with high commercial value.
DIETARY EFFECT OF KELP (SACCHARINA JAPONICA) ON GONAD QUANTITY AND QUALITY IN SEA URCHINS (MESOCENTROTUS NUDUS) COLLECTED FROM A BARREN BEFORE THE FISHING SEASON
Lee said that the massive gathering of sea urchins is larger in scale than previously observed and appears to be different than the mating behavior or of other species of sea urchin.
Time-lapse video shows army of sea urchins marching in southern Taiwan
They are used for feeding and in some species are used by the sea urchin for locomotion.
For sea urchins, beauty lies in the 'feet' of beholder
If you get stung by a sea urchin, remove the spines with a pair of tweezers before using a razor to scrap out any excess.
Brit tourist trolled for asking internet about his bizarre bite marks finally gets diagnosis - and it's gruesome; Cheeky Australians came up with some pretty ridiculous ideas, but the actual cause of the strange blue marks can have deadly consequences if left untreated
Police believe that the burglaries are connected to a break-in at The Sea Urchin cafe, which also took place during the same period.
Police plea after Blyth beach huts 'ransacked' Vandals break into 13 properties, smashing windows and doors
The portion of most marine species used for human consumption comprises the muscles or visceral mass, however, in the case of sea urchin, the portion of interest for consumption is located in the gonads.
Rock-boring urchin roe from Brazilian subtropical coastal zone for human consumption/Ovas de ourico-do-mar de zona costeira subtropical brasileira para consumo humano
Echinometra mathaei, Operational Sex Ratio, Sea Urchin, Sex Ratio.
Effects of Primary Sex Ratio on Operational Sex Ratio in Sea Urchin, Echinometra mathaei
Sea urchin spines are hard, sharp and can cause puncture wounds.
2MINUTES ON; Jellyfish and other sea creature stings

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