Keening

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

The character in the horror movie let out a keening scream that sent chills down the audience's spine.

The sound of keening could be heard from afar, drawing people to the funeral grounds to pay their respects.