| Term | Definition |
| archivolt | one of a series of concentric moldings on a Romanesque arch |
| quadrant vault | half barrel vault |
| ox | symbol of Evangelist Luke |
| radiating chapel | for the display of relics |
| compound pier | an architectural support composed of a group of members |
| Abbot High of Semur | built Cluny in the eleventh century |
| Bruno of Baume | founder of the new order at Cluny, strict adherence to the rules of Benedict |
| eagle | symbol of Evangelist John |
| groin vault | the intersection of two barrel vaults at right angles |
| jambs | side posts of a doorway |
| lion | symbol of Evangelist Mark |
| rib | slender molded masonry element that supports the vault |
| tribune | an uppoer gallery used to accommodate overflow pilgrims |
| trumeau | a pillar supporting a lintel |
| cathedra | seat of local bishop |
| voussoir | a sedge-shaped block used in the construction of a true arch |
| pilaster | a flat, rectangular, vertical member projecting from a wall, topped by a capital |
| Cistercian | monastic order |
| tympanum | the space between the lintel and archivolts in a doorway |
| Giselbertus | sculptor who worked at St.-Lazare, Autun |