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 patient lay in the hospital bed, his keening thoughts consumed by the desire to be healthy again.

The young child stood by the graveside, keening for his pet dog that had passed away.

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

The keening tone of his voice conveyed the depth of his heartbreak.