quatrefoil /katˈər-foil or katˈrə-foil/ or quatrefeuille /-fœ-ē or -fīl/

1. A four-petalled flower or leaf of four leaflets
2. An openwork design or ornament divided by cusps into four lobes (architecture)

• acalephans
• acalephe
• acalephes
• acalephs
• acamprosate
• acamprosates
• acanaceous
• acanth
• acantha
• Acanthaceae
• acanthaceous
• Acanthamoeba
• acanthas
• acanthi
• acanthin
• acanthine
• acanthins
• Acanthocephala
• acanthocephalan
• acanthoid
• acanthopterygian
• acanthous
• acanths
• acanthus
• acanthuses