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.

As the casket was lowered into the ground, the mourners erupted in heart-wrenching keening, expressing their sorrow.

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