Glossary of Architectural Terms
BalustradeA railing with supporting balusters
BargeboardAlso called Vergeboard
A board, often ornately carved or pierced, fixed to the projecting edge of a gable roof
BayA part of a building marked off by vertical elements, such as walls or columns. A main division of a structure.
ClapboardAlso known as bevel siding or lap siding or weather-board, is a board used for horizontal siding that has one edge thicker than the other and where the board above laps over the one below.
CupolaA dome, usually small, topping a roof or turret
DormerA window in a sloping roof, usually that of a sleeping-apartment, hence the name
EaveThat part of a sloping roof that overhangs the wall
EntablatureThe upper section of a building, resting on the columns and constituting the architrave, frieze, and cornice.
FaçadeThe exterior face of a building which is the architectural front
FriezeThe middle section of the entablature; a horizontal band below the upper molding or cornice. Sometimes sculptured and/or richly ornamented.
GableThe triangular portion of the wall, between the enclosing lines of a sloping roof
GalleryAn exterior space under the main roof of the house.
JerkinheadAlso called Clipped gable, Hipped gable, Shreadhead A roof having a sloping (hipped) end cutting off a gable.
LintelA supporting wood or stone beam across the top of an opening, such as that of a window or door or fireplace. Also called architrave.
Muntin / MullionA strip of wood or metal separating and/or holding panes of glass in a door or window.
ParapetA low wall or railing along the edge of a roof.
PedimentA low pitched gable. Or any similar triangular decorative piece across a door or window.
PorchAn exterior space attached to the house but with a separate roof.
SidingThe material used to cover the outside of a building.
ShipLap sidingShiplap is a term used to describe a type of wooden board with a
¼"-½" rabbet on opposite sides of each end. The rabbet allows the boards to overlap in this area.
UndercutCovered by the main roof.