1.(Arch.) The base or foot of a column, statue, vase, lamp, or the like; the part on which an upright work stands. It consists of three parts, the base, the die or dado, and the cornice or surbase molding. "Build him a pedestal, and say, "Stand there!""
2.Hence: A short free-standing column or column-like object designed to support a work of art or other object; a column serving the same function as the base of a statue. It may be made of wood, marble, or other suitable material.
3.(Furniture) A part of a desk which contains a frame and drawers, stands on the floor, and provides support for the desk surface. There may be zero, one, or two such pedestals in a desk.