Oeil-de-boeuf
Pronunciation : Oil`-de-bouf", n.; pl. Oils-de-bouf (#). [F., lit.
Part of Speech : eye
Definition : Defn: 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.
of an ox.] (Arch.)
Source : Webster's Unabridged Dictionary, 1913