Webster's English Dictionaryelevator
el.e.va.tor \'el-*-.va-t-*r\ n 1: one that raises or lifts something up : as 1a: an endless belt or chain conveyor with cleats, scoops, or buckets for r aising material 1b: a cage or platform and its hoisting machinery for conveying something t o different levels 1c: a building for elevating, storing, discharging, and sometimes processin g grain 2: a movable auxiliary airfoil usu. attached to the tail plane of an airpla ne for producing motion up or down