Trumeau, in architecture, is the central pillar or mullion supporting the tympanum of a large doorway, commonly found in medieval buildings.
Trumeau is the central pillar. This is in architecture. Trumeau is mullion. This is in architecture. This central pillar is supporting the tympanum of a large doorway. Mullion is supporting the tympanum of a large doorway. A large doorway is commonly found in medieval buildings.