Definition from Wiktionary, the free dictionary
Originally Scots and Northern English dialects, probably of Old Norse origin; ultimately imitative.
- (Scotland, Northern England) To make a shrill sound, as of bagpipes.
- 1985: Drums began to thump in a variety of rhythms. The flautists were not sure what to play. The shawm began to skirl. — Anthony Burgess, Kingdom of the Wicked
skirl (plural skirls)