- The definition of a cephalothorax is the head and chest on crustaceans and arachnids.
An example of a cephalothorax is the head and chest of a crab.
cephalothorax definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the head and thorax united as a single part, in certain crustaceans and arachnids
cephalothorax definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.
cephalothorax - Science Definition
The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.