What is that part of a helmet which is intended for the admission of air, -- sometimes in the visor. Spenser. Her ventail up so high that he descried Her goodly visage and her beauty's pride. Fairfax called?

ventail — That part of a helmet which is intended for the admission of air, -- sometimes in the visor. Spenser. Her ventail up so high that he descried Her goodly visage and her beauty's pride. Fairfax. (Webster's 1913.)

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