E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Roquelaure.
A cloak; so called from the Duke de Roquelaure. (George II.)
1
Your honours roquelaure, replied the corporal, has not once been had on since the night before your honour received your wound.Sterne: Tristram Shandy; Story of Le Fevre.