Median

Part of speech: noun (n.)

A median line or point.

Part of speech: adjective (a.)

1. Being in the middle; running through the middle; as, a median groove.

2. 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.