Keening

The mourners swayed and chanted in a keening rhythm, honoring the memory of the deceased.

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 injured bird emitted a keening cry, signaling its distress.

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

The keening tone of his voice conveyed the depth of his heartbreak.