The sound of someone crying (e.g. a baby or animal); a sob, wail, or whine — the audible cry itself.
夜中に赤ん坊の泣き声で目が覚めた。
I woke up in the middle of the night to the baby's cry.
工事現場の近くで犬の泣き声が聞こえる。
I can hear a dog's crying near the construction site.
映画のラストで主人公の泣き声が胸に響いた。
At the end of the movie, the protagonist's cry resonated in my chest.
A tearful or quivering voice; a weepy or choked voice (when someone speaks with tears or is trying not to cry).
彼女は泣き声で『ありがとう』とだけ言った。
She said only 'thank you' in a tearful voice.
合格発表を見て、母の泣き声が聞こえた。
When the results were announced, I heard my mother's tearful voice.
電話越しに彼の泣き声が伝わってきて、胸が痛んだ。
His tearful voice came through the phone and it hurt my heart.