| Term | Definition |
| Abbot Suger | twelfth-century cleric who built the first Gothic building |
| Thomas Aquinas | monk who wrote the Summa Theologica, a model for the scholastic approach |
| chevet | eastern end of Gothic church containing choir, ambulatory, and radiating chapels |
| clerestory | fenestrated part of a structure that rise above the aisle roofs |
| Ekkehard and Uta | German patrons depicted at Naumburg |
| fan vaulting | vault type popular in England containing a series of radiating ribs |
| Flamboyant Gothic | Late Gothic style characterized by flame-like decorative forms |
| flying buttress | inclined member carrying the thrust of a vault downward and outward to lower supports |
| hall church | church with aisles as high as the nave |
| Ile-de-France | region around Paris |
| jamb | a projecting columnar part at the side of a doorway |
| Perpendicular Gothic | Late Gothic style stressing verticals and horizontals, popular in England |
| ramparts | thick defensive wall circuits |
| Rayonnant Gothic | popular in the thirteenth century and characterized by slender geometric decorations |
| rose window | large circular window of stained glass popular in Gothic churches |
| St.-Denis | abbey where Gothic style originated |
| Ste-Chapelle | repository for relics, Crown of Thorns, and others |
| tracery | branching ornamental stonework generally in a window, where it supports glass |
| triforium | a blind arcaded band below the clerestory |
| Blanche of Castile | royal patron of Chartres |