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Showing results for prothorax. Search instead for protumoral.

prothorax

American  
[proh-thawr-aks, -thohr-] / proʊˈθɔr æks, -ˈθoʊr- /

noun

prothoraxes, plural prothoraces plural
  1. the anterior division of the thorax of an insect, bearing the first pair of legs.


prothorax British  
/ prəʊˈθɔːræks /

noun

  1. the first segment of the thorax of an insect, which bears the first pair of walking legs See also mesothorax metathorax

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Etymology

Origin of prothorax

From New Latin, dating back to 1820–30; see origin at pro- 1, thorax

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Or ridged areas on the sides of the prothorax may be scraped by “files” on the front thighs, as in some ground-beetles.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various

Cervical shield: the ebitinous plate on the prothorax of caterpillars just behind the head: = prothorax shield.

From Explanation of Terms Used in Entomology by Smith, John. B.

The prothorax bears the first pair of legs.

From Butterflies Worth Knowing by Weed, Clarence M.

Ora: a border: specifically in some Coleoptera, the lateral margin of prothorax.

From Explanation of Terms Used in Entomology by Smith, John. B.

The abdomen is oval, sandy-grey in hue and beset with warts and bristles; the prothorax forms a mobile neck for the large square head, which carries a pair of long and powerful toothed mandibles.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

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