Cinquefoil Definition

sĭngkfoil, săngk-
noun
Any of a genus (Potentilla) of plants of the rose family, with white, yellow, or red flowers and fruit like a dry strawberry: some species have compound leaves with five leaflets arranged like the fingers on a hand.
Webster's New World
A circular design made up of five converging arcs.
Webster's New World

Potentilla (flower)

Wiktionary

(topology) A particular knot of five crossings.

Wiktionary
Synonyms:

Other Word Forms of Cinquefoil

Noun

Singular:
cinquefoil
Plural:
cinquefoils

Origin of Cinquefoil

  • Middle English cinkfoil cink five cinque foil leaf (translation of Old French quintefeuille) (from Latin quīnquefolium) (translation of Greek pentaphullon) foil2

    From American Heritage Dictionary of the English Language, 5th Edition

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