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cephalothorax

noun
ceph·​a·​lo·​tho·​rax | \ ˌse-fə-lə-ˈthȯr-ˌaks How to pronounce cephalothorax (audio) \

Definition of cephalothorax

: the united head and thorax of an arachnid or higher crustacean

Examples of cephalothorax in a Sentence

Recent Examples on the Web

 Opillonids, also called harvestmen, consist of one basic body segment — plus legs — while spiders have two main body parts: the cephalothorax and abdomen. — Fox News, "Fluff ball? Clump of spiders? Viral video shows something else," 3 Jan. 2014 During the molting process, tarantulas contract their abdomens, which pushes fluid into the upper body, or cephalothorax. — National Geographic, "Watch a Tarantula Crawl Out of Its Own Skeleton," 24 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cephalothorax.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cephalothorax

1835, in the meaning defined above

History and Etymology for cephalothorax

International Scientific Vocabulary

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More Definitions for cephalothorax

cephalothorax

noun
ceph·​a·​lo·​tho·​rax | \ ˌsef-ə-lə-ˈthō(ə)r-ˌaks, -ˈthȯ(ə)r- How to pronounce cephalothorax (audio) \

Medical Definition of cephalothorax

: the united head and thorax of an arachnid or higher crustacean

More from Merriam-Webster on cephalothorax

Britannica.com: Encyclopedia article about cephalothorax

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