Keening

The mourners joined in a collective keening, their voices blending in a sorrowful chorus that echoed through the valley.

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 lonely lighthouse emitted a keening beam of light that swept across the dark sea.

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

The chilling keening of the banshee sent shivers down the spines of those who heard it.