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 mourners joined in a collective keening, their voices blending in a sorrowful chorus that echoed through the valley.

As the funeral procession passed by, the mourners let out keening wails of grief, filling the air with a somber atmosphere.

The injured bird emitted a keening cry, signaling its distress.