medianとは何ですか? medianとは何ですか? Relating to, located in, or extending toward the middle.Anatomy Of, relating to, or situated in or near the plane that divides a bilaterally symmetrical animal into right and left halves; mesial.Statistics Relating to or constituting the middle value in a distribution. A median point, plane, line, or part.See median strip. See Regional Note at neutral ground.Statistics The middle value in a distribution, above and below which lie an equal number of values.Mathematics A line that joins a vertex of a triangle to the midpoint of the opposite side.Mathematics The line that joins the midpoints of the nonparallel sides of a trapezoid.