一いっ声せい

noun

voice; cry; shout

Refers to a single vocal utterance: a call, a shout, or a brief vocal sound. Often used in expressions like 一声かける (to call out to someone) or 一声で (with a single word).

• 彼かれは一ひと声こえかけてから部屋へやに入はいった。

  He called out before entering the room.

• 一ひと声こえで返へん事じをした。

  I answered with a single word.