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Webster 1913 Edition

Noun.

A shrill cry or sound; a crying shrilly; a skirl.

[Prov. Eng. & Scot.]

Sir W. Scott.

When the

skirling

of the pipes cleft the air his cold eyes softened.

Mrs. J. H. Ewing.

Noun.

(Zool.)

A small trout or salmon; – a name used loosely.

[Prov. Eng.]

skirling

skirling ‎(plural skirlings)

(Britain, dialect) A small trout or salmon.
(Northern England and Scotland) A shrill cry or sound; a crying shrilly; a skirl.
(Can we find and add a quotation of Sir Walter Scott to this entry?)
- Mrs J. H. Ewing
  When the skirling of the pipes cleft the air his cold eyes softened.

skirling in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
"skirling" in On-line Medical Dictionary, University of Newcastle upon Tyne, 1997–2005.