2. (Zoöl.)

Defn: The ventral plate of the third or last segment of the thorax of insects.

METASTOMA; METASTOME Me*tas"to*ma, Met"a*stome, n. Etym: [NL. metastoma, from Gr. meta` behind + sto`ma mouth.] (Zoöl.)

Defn: A median elevation behind the mouth in the arthropods.

METATARSAL
Met`a*tar"sal, a. (Anat.)

Defn: Of or pertaining to the metatarsus.
— n.

Defn: A metatarsal bone.

METATARSE
Met"a*tarse, n. (Anat.)

Defn: Metatarsus.

METATARSUS
Met`a*tar"sus, n.; pl. Metatarsi. Etym: [NL. See Meta-, and Tarsus.]
(Anat.)