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prothorax

[proh-thawr-aks, -thohr-] /proʊˈθɔr æks, -ˈθoʊr-/
noun, plural prothoraxes, prothoraces
[proh-thawr-uh-seez, -thohr-] /proʊˈθɔr əˌsiz, -ˈθoʊr-/ (Show IPA)
1.
the anterior division of the thorax of an insect, bearing the first pair of legs.
Origin of prothorax
1820-1830
From New Latin, dating back to 1820-30; See origin at pro-1, thorax
Related forms
prothoracic
[proh-thaw-ras-ik, -thoh-] /ˌproʊ θɔˈræs ɪk, -θoʊ-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for prothorax

prothorax

/prəʊˈθɔːræks/
noun (pl) -thoraxes, -thoraces (-ˈθɔːrəˌsiːz)
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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