Definitions for "Aventail"
The movable front to a helmet; the ventail.
A mail garment protecting the neck. (Prestwich, Michael. Armies and Warfare in the Middle Ages: The English Experience, 347) A "curtain" of mail to protect the neck, suspended from the helmet and reaching to the shoulders. (Wise, Terence. Medieval Warfare, 246) Related terms: Armor
A combination mantle-and-scarf of maille attached with vervelles to the bottom edge of a helm, protecting the neck and shoulders.