| A | B |
|---|
| Narthex | An enclosed passage leading to the nave of a church |
| Aqueduct | A channel for conducting water from a distance |
| Arch | Curved masonry construction for spanning an opening |
| Atrium | The central room of an ancient Roman house |
| Barrel vault | Semi cylindrical structure made up of successive arches |
| Coffer | A recessed panel in a ceiling |
| Colonnade | A series of columns usually supporting one side of a roof |
| Coliseum | huge amphitheater for gladiatorial games; can hold over 50,000 spectators; concrete core; complex form; exterior is dignified and monumental and reflects the interior articulation; balance between horizontal and vertical |
| Domus | Latin word for a Roman house with rooms grouped around open courts |
| Engaged column | A column set into a wall |
| Forum | in an ancient Roman city, the main public square which was the center of judicial and business activity and a public gather place |
