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prosternum

[proh-stur-nuh m] /proʊˈstɜr nəm/
noun, plural prosterna
[proh-stur-nuh] /proʊˈstɜr nə/ (Show IPA),
prosternums.
1.
the ventral sclerite of the prothorax of an insect.
Origin
1820-1830
1820-30; < New Latin; see pro-1, sternum
Related forms
prosternal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for prosternum
  • In adults at rest, the cylindrical beak curves back into the prosternum.
British Dictionary definitions for prosternum

prosternum

/prəʊˈstɜːnəm/
noun (pl) -na (-nə), -nums
1.
the sternum of the prothorax of an insect
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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