What is an interfenestration?

An interfenestration refers to the space or gap between two windows, typically in a building or structure. The term is commonly used in architecture and design to describe the area between two adjacent windows, which can vary in size depending on the individual building or space. Interfenestrations can be used for a variety of purposes, including allowing natural light to enter a room, providing ventilation, or creating a visual break in a wall. They are often seen in historic buildings and can add charm and character to a space. Additionally, interfenestrations may also be decorated with ornamental elements such as mullions, tracery, or stained glass.