prothorax

noun
pro·​tho·​rax | \ (ˌ)prō-ˈthȯr-ˌaks How to pronounce prothorax (audio) \

Definition of prothorax

: the anterior segment of the thorax of an insect — see insect illustration

First Known Use of prothorax

1826, in the meaning defined above

History and Etymology for prothorax

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

Keep scrolling for more

Learn More about prothorax

Time Traveler for prothorax

Time Traveler

The first known use of prothorax was in 1826

See more words from the same year

Statistics for prothorax

Cite this Entry

“Prothorax.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/prothorax. Accessed 24 January 2020.

More from Merriam-Webster on prothorax

Rhyming Dictionary: Words that rhyme with prothorax

Britannica.com: Encyclopedia article about prothorax

Comments on prothorax

What made you want to look up prothorax? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a feeling of well-being or elation

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!