E. Cobham Brewer 1810–1897. Dictionary of Phrase and Fable. 1898.
Roquelaure.
A cloak; so called from the Duke de Roquelaure. (George II.)
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“‘Your honour’s 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.
