mesothoraces

mesothorax

[mez-uh-thawr-aks, -thohr-, mes-, mee-zuh-, -suh-]
noun, plural mesothoraxes, mesothoraces [mez-uh-thawr-uh-seez, -thohr-, mes-, mee-zuh-, -suh-] .
the middle segment of the three divisions of the thorax of an insect, bearing the second pair of legs and the first pair of wings.

Origin:
1820–30; meso- + thorax

mesothoracic [mez-uh-thaw-ras-ik, -thoh-, mes-, mee-zuh-, -suh-] , adjective
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World English Dictionary
mesothorax (ˌmɛsəʊˈθɔːræks)
 
n , pl -raxes, -races
prothorax See also metathorax the middle segment of the thorax of an insect, bearing the second pair of walking legs and the first pair of wings
 
mesothoracic
 
adj

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