cephalothorax

The definition of a cephalothorax is the head and chest on crustaceans and arachnids.

(noun)

An example of a cephalothorax is the head and chest of a crab.

See cephalothorax in Webster's New World College Dictionary

noun

the head and thorax united as a single part, in certain crustaceans and arachnids

See cephalothorax in American Heritage Dictionary 4

noun

The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.

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