Keening

The keening whistle of the tea kettle signaled that the water had boiled.

The keening whistle of the teapot signaled that the water was boiling.

The widow sat alone in her empty house, keening softly for the husband she had lost.

The chilling keening of the banshee sent shivers down the spines of those who heard it.

The women gathered in the cemetery, their voices intertwining in a mournful keening that honored the departed.

The keening voices of the choir brought tears to the audience's eyes.