Un oeil de boeuf, literally “eye of a bull”, refers to a relatively small oval window, usually for an upper floor. This kind of window was very common in France, in the 17th and 18th centuries.

Un oeil de boeuf, literally “eye of a bull”, refers to a relatively small oval window, usually for an upper floor. This kind of window was very common in France, in the 17th and 18th centuries.