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n. A stylized flower or leaf with six lobes.

n. A plant or flower with six leaves.

n. In her., decorative art, arch., etc., a figure of six lobes or foliations, similar in character to the cinquefoil. Also sisefoil (in heraldry).

"By degrees the bowl became broader and shallower, and instead of the base having six points, its form is a sexfoil without any points."

huitfoil    quatrefoil    cinquefoil    trefoil