cephalothorax

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ceph·a·lo·tho·rax

 (sĕf′ə-lə-thôr′ăks′)
n.
The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.
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.

cephalothorax

(ˌsɛfələʊˈθɔːræks)
n, pl -raxes or -races (-rəˌsiːz)
(Zoology) the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
cephalothoracic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ceph•a•lo•tho•rax

(ˌsɛf ə loʊˈθɔr æks, -ˈθoʊr-)

n., pl. -tho•rax•es, -tho•ra•ces (-ˈθɔr əˌsiz, -ˈθoʊr-)
the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
[1825–35]
ceph`a•lo•tho•rac′ic (-θəˈræs ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

ceph·a·lo·tho·rax

(sĕf′ə-lə-thôr′ăks′)
The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.
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.
Translations
Kopfbruststück
References in periodicals archive ?
Old cephalothoraces and sores caused by Sphyrion lumpi were identified and counted.
vannamei with their cephalothoraces separated from their abdomen to allow for ease of predation.
Shrimp between 1 and 5 g were exposed by feeding infected shrimp cephalothoraces at a rate of 3% body weight.