Keening

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

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

The mournful keening of the women in black veils set a somber tone for the entire funeral procession.

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

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