"fenestella"的定义和意义

What is a "fenestella"?

A fenestella is a small window-like opening, often found in churches, typically set in a wall near an altar or shrine. It is usually decorative but sometimes functional, providing a view of sacred objects or spaces. Fenestella openings are often framed with stone or wood and may have a simple or ornate design, blending into the architectural style of the building. While small, they are carefully crafted to add detail and significance to the surrounding structure.