Keening

The keening notes of the bagpipes resonated through the air during the memorial ceremony.

As the fog rolled in, a keening foghorn warned ships of the treacherous rocks ahead.

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

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.