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[proh-noh-tuh m]
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noun, plural pro·no·ta [proh-noh-tuh] /proʊˈnoʊ tə/.
  1. the dorsal sclerite of the prothorax of an insect.
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Origin of pronotum

From New Latin, dating back to 1830–40; see origin at pro-1, notum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for pronotum


  1. the notum of the prothorax of an insect
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Word Origin

C19: pro- ² + notum
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