| A | B |
|---|
| capital | the top most part of a column which may be carved or decorated |
| keystone | the high, center block of an arch that usually holds the arch in place |
| ribbed vault | the ceiling of a Gothic building made of pointed arches |
| Roman arch | a rounded arch |
| Doric order | the most simple of the 3 Greek orders |
| pediment | the triangular gable end of the roof above the entablature. |
| volute | the spiral scroll in the capitals of the Ionic order |
| baluster | an upright, ofted vase-shaped support for a rail |
| arcade | a series of arches supported by columns or piers |
| casement | a window with the sash hung vertically and opening inward or ooutward |
| cupola | a dome-shaped roof on a circular base |
| dormer | a vertically set window on a sloping roof |
| double-hung window | a window with 2 sashes, one above the other, arranged to slide vertically past each other |
| egg-and-dart molding | a decorative molding comprising alternating egg-shaped and dart-shaped motifs |
| fanlight | a semi-circular window with radiating members or tracery set over a door or window |
| finial | an ornament at the top of a spire, gable, or pinnacle |
| gable | a triangular wall segment at the end of a double pitched or gabled roof |
| fluted | having regularly spaced vertical parallel grooves, as on the shaft of a pilaster or column |
| hipped roof | a roof with 4 uniformly pitched sides |
| mansard roof | a roof that has 2 slopes on all four sides |
| nave | The long, narrow main part of a church that rises higher than the flanking aisles |
| palladian window | a tripartite window opening with a large arched central light and flanking rectangular sidelights |
| pilaster | a shallow pier attached to a wall, often decorated to resemble a classical column |
| portico | a major porch, usually with a pedimented roof supported by classical columns |
| quoin | units of stone or brick used to accentuate the corners of a building |
| tracery | the curved mullions of a stone-framed window |
| trefoil | a design of 3 lobes, similar to a cloverleaf |
| vault | an arched ceiling of masonry |
| veranda | a roofed open gallery or porch |
| transom | a window located over a door or other window |
