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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 Project Gutenberg

In modern cadency a Double Quatrefoil is the difference of the ninth son.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.