Source : Webster's Revised Unabridged Dictionary (1913)

Coranach \Cor"a*nach\, n. [Gael. coranach, or corranach, a
   crying, the Irish funeral cry (the keen), a dirge; comh with
   + ranaich a roaring, ran to roar, shriek.]
   A lamentation for the dead; a dirge. [Written also
   {coranich}, {corrinoch}, {coronach}, {cronach}, etc.] [Scot.]