Mesoscutum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Mesoscutum \Mes`o*scu"tum\, n. [Meso- + scutum.] (Zool.)
     The scutum or dorsal plate of the middle thoracic segment of
     an insect. See Illust. of {Butterfly}.
     [1913 Webster]