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)

• hedgerows
• hedgers
• hedges
• hedge-school
• hedge-schoolmaster
• hedge-schoolmasters
• hedge-schools
• hedge sparrow
• hedge sparrows
• hedge trimmer
• hedge trimmers
• hedge warbler
• hedge warblers
• hedge-writer
• hedge-writers
• hedgier
• hedgiest
• hedging
• hedging-bill
• hedgings
• hedgy
• hedonic
• hedonics
• hedonism
• hedonisms