Merriam-Webster Online Dictionary
elevator (noun)1.
one that raises or lifts something up as
a) an endless belt or chain conveyor with cleats, scoops, or buckets for raising material
b) a cage or platform and its hoisting machinery for conveying people or things to different levels
c) - grain elevator
2.
a movable airfoil usually attached to the tailplane of an airplane for controlling pitch - see airplane illustration
