oculus

IPA: ɑkjʌɫʌs

(architecture) A window or other opening that has an oval or circular shape (as of an eye).
The central boss of a volute.
An opening at the apex of a dome.

Examples of "oculus" in Sentences

The spire rises from the oculus.
The oculus of the cupola was closed up.
An oculus provided light to the interior.
In the center of the gable apex is an oculus.
The Oculus in the dome of the Pantheon in Rome.
A large oculus is in the tympanum of each gable.
Modeled after the Pantheon, it is lit by an oculus.
Marble is used for the western door and the dome's oculus.
The height to the oculus and the diameter of the interior circle are the same,.
The height to the oculus and the diameter of the interior circle are the same, .