D defs.my
Entry 2 senses Webster, 1913

Mesosternum

· Mes·o·ster·num · IPA
01 n. The middle portion, or body, of the sternum.
  1. 1.
    The middle portion, or body, of the sternum.(Anat.)
  2. 2.
    The ventral piece of the middle segment of the thorax in insects.(Zool.)