Definition of "coronach"

The village maids and matrons round / The dismal coronach resound.

1810, The Lady of the Lake, Walter Scott, 3.XV

[A] hired mourner, the Irish "Keener" at the conclamatio or coronach, where the Hullabaloo, Hulululu or Ululoo showed the survivors' sorrow.

1885, Richard F. Burton, chapter XXX, in The Book of the Thousand Nights and a Night, volume I, The Burton Club, page 311 footnote