adj. & n.
adj. situated in the middle.
n. 1 Anat. a median artery, vein, nerve, etc. 2 Geom. a straight line drawn from any vertex of a triangle to the middle of the opposite side. 3 Math. the middle value of a series of values arranged in order of size. medianly adv.
[ F médiane or L medianus (as MEDIAL) ]