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 singer's voice soared in a beautiful keening note, captivating the audience.

As the funeral procession passed by, the sound of keening echoed through the streets.

The keening aroma of freshly baked bread wafted through the bakery.