lacquered conical hat
A traditional Japanese hat made of lacquered material, often associated with travelers or historical figures. The cross-reference to 笠 indicates it is a specific type of that broader category.
See also: 笠
I saw a samurai wearing a lacquered conical hat in a period drama.
Variant without okurigana; less common but still used.
Compound of 塗り (nuri, 'lacquering') + 笠 (kasa, 'conical hat'). The exact historical origin is uncertain, but it refers to a hat finished with lacquer.