prothorax

noun

pro·​tho·​rax (ˌ)prō-ˈthȯr-ˌaks How to pronounce prothorax (audio)
: the anterior segment of the thorax of an insect see insect illustration

Word History

Etymology

New Latin prothorac-, prothorax, from pro- entry 1 + thorax

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of prothorax was in 1826

Dictionary Entries Near prothorax

prothoracic gland

prothorax

prothrombin

See More Nearby Entries 

Cite this Entry

“Prothorax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prothorax. Accessed 25 Nov. 2024.

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Kids Definition

prothorax

noun
pro·​tho·​rax (ˈ)prō-ˈthō(ə)r-ˌaks How to pronounce prothorax (audio)
-ˈthȯ(ə)r-
: the first segment of the thorax of an insect

More from Merriam-Webster on prothorax

Britannica.com: Encyclopedia article about prothorax

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