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Use "sexfoil" in a sentence
"By degrees the bowl became broader and shallower, and instead of the base having six points, its form is a sexfoil without any points."
"Subject: witbin a sexfoil, in cbief five billets, 2 and 3 j on a band in fess the bust of a bishop or mitred prior between a key and sword; in base, two lions rampant."