Median

See:

• Median (of a triangle), a line joining a vertex to the mid-point of the opposite side
• Median (of a trapezium), a line joining the midpoints of the two non-parallel sides
• Median (in statistics), a value separating a population in two equally-sized subsets
• Median algebra, an algebraic system abstracting the operation of majority vote

See also: Mediant of fractions