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 old haunted house echoed with the keening cries of unseen spirits.

The traditional keening brought tears to the eyes of all those who listened, capturing the pain of loss in its rawest form.

The lonely lighthouse emitted a keening beam of light that swept across the dark sea.