笑しょう声せい

noun

laugh; laughter; sound of laughing

Refers to the audible sound of laughter, often in a literary or slightly formal context. In everyday speech, 笑い声 is more common.

• 隣となりの部屋へやから楽たのしそうな笑しょう声せいが聞きこえてきた。

  I could hear cheerful laughter coming from the next room.