[infoplease]
Pronunciation: (skrOOp), [key]
—v.i.
to emit a harsh, grating sound: The gate scrooped as he swung it shut.

—n.
1. a scrooping sound.
2. ability to make a rustling sound added to silk or rayon fabrics during finishing by treating them with certain acids.
http://dictionary.infoplease.com/scroop


[wiktionary]
to scroop (third-person singular simple present scroops, present participle scrooping, simple past and past participle scrooped)

To create a rustling sound from friction between silk fibers.
The friction causes the silk to scroop.
http://en.wiktionary.org/wiki/scroop

[dictionary]
scroop
–verb (used without object)
1. to emit a harsh, grating sound: The gate scrooped as he swung it shut.
–noun
2. a scrooping sound.
3. ability to make a rustling sound added to silk or rayon fabrics during finishing by treating them with certain acids.
http://dictionary.reference.com/search?q...