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Definition of cephalothorax

cephalothorax

/ˌsɛf.ə.loʊˈθɔːr.æks/
ceph · a · lo · tho · rax
Plural:cephalothoraces
•
Adjective:cephalothoracic
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cephalothorax Lexical Profile

cephalothorax Game Scores & Validity

• noun

1

The fused head and thorax found in certain arthropods, such as arachnids and crustaceans, which functions as a single anatomical region.

Example

"Unlike insects, which have three distinct body segments, spiders consist of only an abdomen and a cephalothorax."

Synonyms
View all synonyms for cephalothorax
Antonyms
View all antonyms for cephalothorax

• Rhymes for cephalothorax

• Nearby Words

centrex
centrifuge
cephalopod
cephalothorax
cerapteryx
cerastes
cerastium

Word Origin & Etymology

Derived from the Greek words 'kephalē' (head) and 'thōrax' (chest, breastplate).

Cite this Entry

Wordmom. (2026). Definition of Cephalothorax. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/cephalothorax
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