- the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
Origin of cephalothorax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cephalothorax
The abdomen is longer than the cephalothorax and as wide or wider.
The abdomen is as wide as the cephalothorax and a little longer.
The abdomen is a little longer and wider than the cephalothorax (fig. 131).
The cephalothorax is a little narrower behind than it is in crocata.
The cephalothorax and legs to the end of the tibia are black.
- the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for cephalothorax
Online Etymology Dictionary, © 2010 Douglas Harper
- The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.
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