As a verb skirl is
(scotland|northern england) to make a shrill sound, as of bagpipes.
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Not English
Wikidiffcom has no English definition. It may be misspelled. skirl
English
Verb
(
en verb)
(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
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