the world > physical sensation > hearing and noise > degree, kind, or quality of sound > unpleasant quality > harsh or discordant quality > [noun] > scratching or scraping
1849 A. R. Smith xxxiv. 410 Without any of the scrooping or vibrating that usually accompanies a pull-up.
1884 M. E. Braddon II. 232 Opening the doors as cautiously as a practised burglar, lest the porter or his wife should be awakened by the scrooping of a bolt.