noun
helmet-shaped hood
A historical Japanese hood that resembles a helmet, often associated with warriors or traditional attire. Rare in modern usage outside historical or cultural contexts.
時代劇で、侍が兜頭巾をかぶっている場面を見た。
I saw a scene in a period drama where a samurai was wearing a helmet-shaped hood.
兜 is a full helmet, whereas 兜頭巾 is a cloth hood that mimics the shape of a helmet.
Compound of 兜 (かぶと, 'helmet') and 頭巾 (ずきん, 'hood'). The exact historical derivation is uncertain, but the term describes a hood designed to resemble a helmet.