Dictionary

cinquefoil

noun cinque·foil \ˈsiŋk-ˌfi(-ə)l, ˈsaŋk-\

Definition of CINQUEFOIL

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
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Illustration of CINQUEFOIL

Origin of CINQUEFOIL

Middle English sink foil, from Anglo-French cincfoille, from Latin quinquefolium, from quinque five + folium leaf — more at blade
First Known Use: 14th century
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