œil-de-bœuf /œ-ē-də-bœfˈ/

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

• sell on
• sell one's life dearly
• Sellotape
• Sellotaped
• Sellotaping
• sell out
• sell-out
• sell-outs
• sells
• sell short
• sell smoke
• sell someone a bargain
• sell the pass
• sell through
• sell-through
• sell up
• sels
• seltzer
• seltzers
• seltzogene
• seltzogenes
• selva
• selvage
• selvaged
• selvagee