Defn: Having the nose of medium width; between leptorhine and platyrhine.
MESOSAURIA
Mes`o*sau"ri*a, n.
Defn: Same as Mosasauria.
MESOSCAPULA
Mes`o*scap"u*la, n. Etym: [Meso- + scapula.] (Anat.)
Defn: A process from the middle of the scapula in some animals; the spine of the scapula.
MESOSCAPULAR
Mes`o*scap"u*lar, a. (Anat.)
Defn: Of or pertaining to the mesoscapula.
MESOSCUTUM
Mes`o*scu"tum, n. Etym: [Meso- + scutum.] (Zoöl.)
Defn: The scutum or dorsal plate of the middle thoracic segment of an insect. See Illust. of Butterfly.
MESOSEME
Mes"o*seme, a. Etym: [Meso- + Gr. mésosème.] (Anat.)