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double quatrefoil

American  

noun

Heraldry.

  1. a charge having the form of a foil with eight leaves, used especially as the cadency mark of a ninth son.

Example Sentences

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All these four examples belonging to the oblique or Northern system, the curious trefoil plan, 3, lies between the two, as the double quatrefoil next it unites the two.

From The Stones of Venice, Volume I (of 3) by Ruskin, John

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