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.

The keening smell of rotten eggs filled the kitchen, indicating a gas leak.

The keening smell of rotten eggs indicated a gas leak in the basement.

The eerie keening of the siren warned the residents of the impending storm.

The sound of keening could be heard from afar, drawing people to the funeral grounds to pay their respects.

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