quatrefoil

(katər fo̵il′, katrə-)

noun

  1. a flower with four petals or a leaf with four leaflets
  2. Archit. a circular design made up of four converging arcs

Origin: ME quaterfoyle < MFr quatrefeuille < quatre (< L quattuor, four) + feuille (< L folium, leaf: see foil)

See quatrefoil in American Heritage Dictionary 4

noun
  1. A representation of a flower with four petals or a leaf with four leaflets, especially in heraldry.
  2. Architecture Tracery or an ornament with four foils or lobes.

Origin:

Origin: Middle English quaterfoile

Origin: : Old French quatre, four; see quatrain

Origin: + Old French foil, leaf; see foil2

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