BIRL
birl
Noun
- A type of grace note movement that quickly switches between low-A and low-G several times, producing a low rippling sound.
Verb
- To spin.
- To cause a floating log to rotate by treading on it.
Verb (etymology 2)
The above text is a snippet from Wiktionary: birl
and as such is available under the Creative Commons Attribution/Share-Alike License.