Source : Webster's Revised Unabridged Dictionary (1913)

Mesocaecum \Mes`o*c[ae]"cum\, n. (Anat.) [NL. See {Meso-}, and
   {C[ae]cum}.]
   The fold of peritoneum attached to the c[ae]cum. --
   {Mes`o*c[ae]"cal}, a.