keening

verb
  1. 1

    To make cold, to sharpen.

verb
  1. 1

    To utter a keen.

  2. 2

    To utter with a loud wailing voice or wordless cry.

  3. 3

    To mourn.

noun
  1. 1

    Intense mournful wailing after a death, often at a funeral or wake

  2. 2

    (by extension) An unpleasant wailing sound.

adjective
  1. 1

    Sharp, shrill, especially of a sound.

    โ€œThe keening sound of a dentist's drill sets my teeth on edge.โ€

Source: https://en.wiktionary.org/wiki/keen, https://en.wiktionary.org/wiki/keening