n.
Pronunciation: ' si ŋ k- ˌ fo ̇ i(- ə )l, ' sa ŋ k-
Function: noun
Etymology: Middle English sink foil, from Anglo-French cincfoille, from Latin quinquefolium, from quinque five + folium leaf ― more at BLADE
Date: 14th century
1 : any of a genus ( Potentilla ) of herbs and shrubs of the rose family usually having 5-lobed leaves and 5-petaled flowers ― called also potentilla
2 : a design enclosed by five joined foils
cinquefoil