A type of turret on the roof of certain medieval buildings designed to allow ventilation or the admission of light.
(chiefly in plural) A series of sloping overlapping slats or boards which admit air and light but exclude rain etc.
Any of a system of slits, as in the hood of an automobile, for ventilation.
That the real-life Louvre Museum heist
This is how the Louvre got hit, in broad daylight.
Inside the Louvre, police sealed entrances and the museum closed for the day.