n. A shelf on which articles may be placed; anything which resembles such a shelf; a flat rim or projection; as, the ledge of a window; a ledge of earth on the inner side of a parapet.n. Specifically— In arch.: A small horizontal molding of rectangular profile. A string-course.n. In joinery, a piece against which something rests, as the side of a rebate against which a door or shutter is stopped, or a projecting fillet serving the same purpose as the stop of a door, or the fillet which confines a window-frame in its place.n. In ship-building, a. piece of the deck-frame of a ship, lying between the deck-beams.n. A rail of a chair.n. In printing, one of the pieces of furniture; a wedge, used in locking up a form of type.n. A shelf-like ridge or elevation; any natural formation somewhat resembling a shelf: as, a ledge at the top of a precipice; a ledge of rock under water.n. A bar for fastening a gate.To lay (eggs).To lay hands on.To lay eggs.To allege.