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)

• to-name
• to-names
• tonant
• tondi
• tondini
• tondino
• tondinos
• tondo
• tondos
• tone
• tone arm
• tone arms
• tone cluster
• tone clusters
• tone colour
• tone colours
• tone control
• tone controls
• toned
• tone-deaf
• tone-deafness
• tone dialling
• tone down
• tone language
• tone languages