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)

• stauroscopic
• stave
• stave-church
• stave-churches
• staved
• staves
• stavesacre
• stavesacres
• staving
• staw
• stawed
• stay
• stay-at-home
• stayaway
• stayaways
• stay bolt
• stay bolts
• staycation
• staycations
• stayed
• stayer
• stayers
• stay in
• staying
• staying power