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 horror movie was accompanied by a soundtrack of keening voices, adding to the creepy atmosphere.

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

The haunting melody of the keening bagpipes played at the memorial service brought a sense of solemnity to the occasion.