garde des reins
Definition from Wiktionary, the free dictionary
- Armor protecting the loins, hanging from the backpiece of the cuirass.
- 1786, To the back-piece of the cuirass for the protection of the loins, was hooked on a piece of armour, called Garde des Reins, or culettes; and the breast-piece was occasionally strengthened by an additional plate called a Plaquet. — Francis Grose, A Treatise on Ancient Armour and Weapons, page 21.