Keening

The keening screech of the brakes startled the pedestrians on the busy street.

The old woman's keening wails pierced the quiet night, mourning the loss of her husband.

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

The keening sound of the foghorn guided ships safely through the thick mist.

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

The mother's keening could be heard as she grieved over the loss of her child.