'Mesothorax' definitions:

Definition of 'Mesothorax'

From: GCIDE
  • Mesothorax \Mes`o*tho"rax\, n. [Meso- + thorax: cf. F. m['e]sothorax.] (Zool.) The middle segment of the thorax in insects. See Illust. of Coleoptera. [1913 Webster]