Definitions:
denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it

situated in the middle, especially of the body

the median value of a range of values

the strip of land between the carriageways of a motorway or other major road; a central reservation.

a straight line drawn from any vertex of a triangle to the middle of the opposite side.

relating to media, an ancient region of asia to the south-west of the caspian sea