Definitions for "Ventail"
Keywords:  coif, bascinets, flap, skirts, throat
(see also aventail) These were mail or plate skirts attached to bascinets to defend the throat during the latter half of the 14th and to the mid 15th century.
a medieval hood of mail suspended from a basinet to protect the head and neck
An integral flap of maille attached to the coif in the 13th Century; it could be drawn across the mouth to protect the lower face.
Keywords:  visor, helmet, admission, intended, air
That part of a helmet which is intended for the admission of air, -- sometimes in the visor.