ほら貝がいを吹ふく

expression, godan verb (-ku)

blow a conch; blow a trumpet shell; blow the war horn

Refers to the act of blowing a conch shell (Charonia tritonis), often used in traditional Japanese contexts such as mountain ascetics (yamabushi) or as a war horn.

• 山やま伏ぶしがほら貝がいを吹ふく音おとが山やまに響ひびいた。

  The sound of the mountain ascetic blowing the conch echoed through the mountains.

• 戦いくさの合あい図ずにほら貝がいを吹ふいた。

  They blew the war horn as a signal for battle.