A window shaped like a circle.
A round, or eye-like window.
A small round or oval window.
Any round window; or, the central, round window (in Roman times, unglazed) at the apex of a dome.
Oval or circular opening or window in a wall or dome.
A small circular opening, and which was a precursor of the Gothic rose window (fig.4, A).
A small circular panel or window, common in Edwardian architecture and often with leadlight glazing (plural: oculi).
Circular opening in a roof or on a wall, such as the oculus in the center of the dome of the Pantheon.
36 the opening in the rotor which sweeps through the aperture and is covered by the fixed shutter.
Circular window with no tracery.
a small circular or eye-shaped window.
the round opening at the apex of a dome to let in light
1. A circular opening or eye in a dome. 2. Any round window.
a circular opening at the top of a rounded structure (seen in World Trade Center Transportation Hub and Fulton Street Transit Center designs)
literally, "eye"; the circular opening at the center of a dome; any other circular opening in a wall.
Small hole (eye), in the centre of the dome of some Roman temples