Median \Me"di*an\, a. [L. medianus, fr. medius middle. See
Medial.]
1. Being in the middle; running through the middle; as, a
median groove.
2. (Zo["o]l.) 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.
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.
Source: Webster's Revised Unabridged Dictionary (1913)
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