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 keening cries of the wounded soldier could be heard from the battlefield.

The old haunted house echoed with the keening cries of unseen spirits.

The air raid siren's keening pierced through the city, signaling imminent danger.

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

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

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.