a. [ L. medianus, fr. medius middle. See Medial. ]
Median line.
Median plane (Anat.),
Median point (Geom.),
n. (Geom.) A median line or point. [ 1913 Webster ]
n. [ L. medians, p. p. of mediare to halve: cf. It. mediante, F. médiante. ] (Mus.) The third above the keynote; -- so called because it divides the interval between the tonic and dominant into two thirds. [ 1913 Webster ]