median

median (http://definr.com/median)

     adj 1: (statistics) relating to or constituting the middle value of
            an ordered set of values (or the average of the middle
            two in an even-numbered set); "the median value of 17,
            20, and 36 is 20"; "the median income for the year was
            $15,000" [syn: median(a), average]
     2: dividing an animal into right and left halves [syn: medial]
     3: relating to or situated in or extending toward the middle
        [syn: medial]
     n : the value below which 50% of the cases fall [syn: {median
         value}]