Defn: The fourth joint of a typical appendage of Crustacea.
MERORGANIZATION
Mer*or`gan*i*za"tion, n. Etym: [Gr. organization.]
Defn: Organization in part. [R.]
MEROS
Me"ros, n. Etym: [NL., from Gr. (Arch.)
Defn: The plain surface between the channels of a triglyph. [Written also merus.] Weale.
MEROS
Me"ros, n. Etym: [NL., fr. Gr. (Anat.)
Defn: The proximal segment of the hind limb; the thigh.
MEROSOME
Mer"o*some, n. Etym: [Gr. -some body.] (Zoöl.)
Defn: One of the serial segments, or metameres, of which the bodies of vertebrate and articulate animals are composed.
MEROSTOMATA
Mer`o*stom"a*ta, n. pl. Etym: [NL., fr. Gr. (Zoöl.)