In heraldry, gules (//) is the tincture with the colour red. It is one of the class of five dark tinctures called "colours", the others being azure (blue), sable (black), vert (green) and purpure (purple).
|Tricking abbr.||g., Gu.|
|Heavenly body||Mars|
|Look up gules in Wiktionary, the free dictionary.|
The term gules derives from the Old French word goules, literally "throats" (related to the English gullet; modern French gueules), but also used to refer to a fur neckpiece, usually made of red fur.
Gules is the most widely used heraldic tincture. Through the sixteenth century, nearly half of all noble coats of arms in Poland had a field gules with one or more argent charges on them.
Examples of coats of arms consisting of purely a red shield (blazoned gules plain) include those of the d'Albret family, the Rossi family, the Swiss canton of Schwyz (prior to 1815), and the old coats of arms of the cities of Nîmes and Montpellier.
- Harper, Douglas. "gules". Online Etymology Dictionary.
- A Complete Guide to Heraldry, by Arthur Charles Fox-Davies, p. 29
- Brault, Gerard J. (1997). Early Blazon: Heraldic Terminology in the Twelfth and Thirteenth Centuries, (2nd ed.). Woodbridge, UK: The Boydell Press. ISBN 0-85115-711-4.
- Historia Anglorum c. 1250
- Chillon Castle, c. 1500
- Livro de Armerio-Mor, c. 1509
- Stained glass at the Franciscan Monastery Museum in Villingen-Schwenningen, 1567
- Chorographia Württemberg, 1591, attributed to Casimir III the Great
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