E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
was of pure gold, and rendered the wearer invulnerable. It was taken possession of by Rinaldo (Orlando Furioso. Cervantes tells us of a barber who was caught in a shower, and to protect his hat clapped his brazen basin on his head. Don Quixote insisted that this basin was the enchanted helmet of the Moorish king.