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 sailor set sail with a keening longing for adventure, eager to explore uncharted waters.

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.