Definition of mesosternite in English:

mesosternite

Pronunciation /ˌmɛsə(ʊ)ˈstəːnʌɪt/

noun

Zoology
  • A sternite forming the mesosternum.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From meso- + sternite, after mesosternum.