from the GNU version of the Collaborative International Dictionary of English
- n. A circular or oval window; -- generally used of architecture of the 17th and 18th centuries. A famous room in the palace of Versailles bears this name, from the oval window opening into it.
from The Century Dictionary and Cyclopedia
- n. In architecture, a round or oval opening as in the frieze or roof of a building for admitting light; a bull's-eye.
- n. Same as bull's-eye, 16.
Sorry, no etymologies found.