Source : Webster's Revised Unabridged Dictionary (1913)

Mesogastric \Mes`o*gas"tric\, a. [Meso- + gastric.]
   1. (Anat.)
      (a) Of or pertaining to the middle region of the abdomen,
          or of the stomach.
      (b) Of or pertaining to the mesogaster.

   2. (Zo["o]l.) Of or pertaining to the middle gastric lobe of
      the carapace of a crab.