額ひたい烏帽子えぼし

noun

forehead eboshi; black triangle worn on forehead

A small black silk or paper triangle worn over the forehead, traditionally by children as part of festival or ceremonial attire.

• 祭まつりのとき、子こどもたちは額ひたい烏帽子えぼしをつけて踊おどった。

  During the festival, the children danced wearing forehead eboshi.