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.

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

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

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

The keening voices of the choir brought tears to the audience's eyes.