Defn: An old term covering natrolite or soda mesolite, scolecite or lime mesotype, and mesolite or lime-soda mesotype.

MESOVARIUM
Mes`o*va"ri*um, n. Etym: [NL. See Meso-, and Ovary.] (Anat.)

Defn: The fold of peritoneum connecting the ovary with the wall of the abdominal cavity.

MESOXALATE
Mes*ox"a*late, n. (Chem.)

Defn: A salt of mesoxalic acid.

MESOXALIC
Mes`ox*al"ic, a. Etym: [Mes- + oxalic.] (Chem.)

Defn: Pertaining to, or designating, an acid, CH2O2(CO2H)2, obtained from amido malonic acid.

MESOZOA
Mes`o*zo"a, n. pl. Etym: [NL. See Mesozoic.] (Zoöl.)

Defn: A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.

MESOZOIC
Mes`o*zo"ic, a. Etym: [Meso- + Gr. (Geol.)