WordReference Random House Unabridged Dictionary of American English © 2025
mes•o•tho•rax
(mez′ə thôr′aks, -thōr′-, mes′-, mē′zə-, -sə-),USA pronunciation n., pl. -tho•rax•es, -tho•ra•ces
mes•o•tho•rac•ic
(mez′ə thô ras′ik, -thō-, mes′-, mē′zə-, -sə-),USA pronunciation adj.
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(-thôr′ə sēz′, -thōr′-).USA pronunciation
- Insectsthe middle segment of the three divisions of the thorax of an insect, bearing the second pair of legs and the first pair of wings.
- 1820–30; meso- + thorax
'mesothorax' also found in these entries (note: many are not synonyms or translations):