'Median line' definitions:

Definition of 'Median line'

From: GCIDE
  • Median \Me"di*an\ (m[=e]"d[i^]*an), a. [L. medianus, fr. medius middle. See Medial.]
  • 1. Being in the middle; running through the middle; as, a median groove. [1913 Webster]
  • 2. (Zool.) Situated in the middle; lying in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; as, median coverts. [1913 Webster]
  • Median line. (a) (Anat.) Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) (Geom.) The line drawn from an angle of a triangle to the middle of the opposite side; any line having the nature of a diameter.
  • Median plane (Anat.), the mesial plane.
  • Median point (Geom.), the point where the three median lines of a triangle mutually intersect. [1913 Webster]