Illustrated Architecture Dictionary .
Pronunciations: AHK you lis; AHK you lie
Window that has an oval or circular shape resembling an eye.
The round opening at the top of some domes, or cupolas, e.g., Pantheon in Rome
The center of volutes or spiral scrolls in Ionic columns
Etymology: Latin, "eye"
Oeil-de-boeuf window is an oculus
- Illustration above: Pantheon, Rome, Italy
- Forum Thermal Baths, Pompeii, Italy
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