1. a section of wall or pillar between two openings, especially between two windows or doors
Usage: architecture
2. a decorative mirror or panel designed to fit in the space above a mantelpiece or between windows
Usage: decorative arts

Examples

• The architect designed elegant trumeaux between each pair of French doors.
• The narrow trumeau provided structural support between the large windows.
• An ornate trumeau mirror hung above the fireplace mantel.
• The decorator chose gilded trumeaux to complement the room’s classical style.
• Each trumeau was decorated with carved moldings and painted panels.
• The mansion’s facade featured decorative trumeaux separating the tall windows.