Definition of "Median" :

noun: the number midway between the two middle numbers in a series containing an even or odd number of items

adjective: relating to or situated in or extending toward the middle

adjective: dividing an animal into right and left halves

adjective: relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values)

"The median value of 17, 20, and 36 is 20."