Definition of mesoplastral in English:

mesoplastral

Pronunciation /ˌmɛsə(ʊ)ˈplastr(ə)l/

adjective

Zoology
  • Designating a bone which forms the mesoplastron (of a turtle).

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science. From meso- + plastral.