山やま高たか帽ぼう子し

noun

derby hat; bowler hat

A stiff felt hat with a rounded crown, historically associated with early 20th-century Western fashion in Japan. Often called 山高帽 for short.

• 祖そ父ふは若わかい頃ころ、山やま高たか帽ぼう子しをかぶって写しゃ真しんを撮とった。

  My grandfather wore a bowler hat when he had his photo taken in his youth.

• あの時じ代だいの紳しん士しはよく山やま高たか帽ぼう子しをかぶっていた。

  Gentlemen of that era often wore derby hats.