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

The widow sat alone in her empty house, keening softly for the husband she had lost.

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

The chilling keening of the banshee sent shivers down the spines of those who heard it.