[mez-uh-thawr-aks, -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 of mesothorax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mesothorax
These are the mesothorax and the first eight abdominal segments.
When it is covered by the mesothorax; it is then usually a mere membrane.An Introduction to Entomology: Vol. IV (of 4)
Prothoracic segment a little longer than the mesothorax which, in turn, slightly exceeds the metathorax.Journal of Entomology and Zoology
The next segment is the mesothorax, which is immovably fused to the next thoracic segment.Elementary Zoology, Second Edition
Vernon L. Kellogg
Lastly, we count nine pairs of stigmata: one pair on the mesothorax and the rest on the first eight segments of the abdomen.
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