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 character in the novel was portrayed as a keening figure, forever yearning for redemption and forgiveness.

The old television emitted a high-pitched keening noise whenever it was turned on.

The sound of keening could be heard from afar, drawing people to the funeral grounds to pay their respects.