三さん角かく帽ぼう子し

noun

three-cornered hat; tricorne

Refers to a hat with a brim turned up on three sides, historically worn in 18th-century Europe. Also called 三角帽 (さんかくぼう).

See also: 三角帽

• あの絵えの男おとこは三さん角かく帽ぼう子しをかぶっている。

  The man in that painting is wearing a tricorne.