Illustrated Building Parts Arch Cornice A curved structure that spans The molding that sticks out from across an opening. the top of the building, keeping rain away from the wall of the building Bay Window Dome A window that sticks out from a A round 3D structure that building, bringing more light and typically forms a roof or ceiling. air inside, and opening up views to the outside Beam Doric Column A horizontal piece of structure This type of column has a that spans across a space and is simple top. supported on both ends. Column Fanlight A vertical piece of structure that An arched window that is found carries the weight of a beam, above a door or another floor, truss or other structure window. above it. Corinthian Column Gable Roof This type of column has a A triangular roof. complicated top with two rows of leaves or scrolls. Center for Architecture 536 LaGuardia Place, New York, NY 10012 (212) 358-6133 [email protected] www.centerforarchitecture.org Hip Roof Pediment A roof which has four sides that A triangle over a door or window all go down at an angle. often supported by columns. Ionic Column Quoins This type of column has a top Larger stones used at the corner with two scrolls that go in of a building or around windows opposite directions. and doors to add strength or decoration. Keystone Sill The center stone at the top of an The horizontal piece of structure arch that “locks” the other under a door or window. stones in place. Lintel Stepped Gable The horizontal piece of structure A gable with a stair shape. over a door or window that supports the weight of the wall above it. Oculus Window Stoop A round or oval shaped window. A set of stairs leading to the front door of a building; from the Dutch word stoep. Ornament Truss Decoration added to a building A stiff structure built with many that can give a hint about its triangles. importance or use. Center for Architecture 536 LaGuardia Place, New York, NY 10012 (212) 358-6133 [email protected] www.centerforarchitecture.org .