MEANING: verb intr.: To make a scraping or grating sound.
noun: A scraping sound, especially the rustle of a silk fabric.

ETYMOLOGY: Of imitative origin. Earliest documented use: 1787.

SCHROOP - to drink the last of the soup directly from the edge of the bowl

'S CROUP - I know the kid's sick, but why's his cough sound so funny?

SCROOD - past tense of...oh, never mind