œil-de-bœuf /œ-ē-də-bœfˈ/

1. A small round window
2. An octagonal vestibule at the court of Versailles, hence one elsewhere

• volpinos
• volplane
• volplaned
• volplanes
• volplaning
• vols
• Volscian
• Volsungs
• volt
• volta
• volta-
• voltage
• voltage divider
• voltage dividers
• voltages
• voltaic
• voltaic cell
• voltaic cells
• voltaic pile
• Voltairean
• Voltaireanism
• Voltairian
• Voltairianism
• Voltairism
• voltaism