Vent"ail (?), n. [OF. ventaille, F. ventail. See Ventilate, and cf. Aventail.] 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 1913. | 
