sex·​foil | \ ˈseks+ˌ-\

Definition of sexfoil

1a : a flower with six perianth segments
b : a leaf with six leaflets
c : a group of six leaves
2 : a figure enclosed by six joined foils specifically : a 6-lobed foliation in Gothic tracery
3 : a conventionalized heraldic flower showing six lobe-shaped petals

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History and Etymology for sexfoil

sex- + foil

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