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.

As the fog rolled in, a keening foghorn warned ships of the treacherous rocks ahead.

The traditional keening at the Irish wake added an emotional element to the farewell ceremony.

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