generally in the plural = dubháin. snáithe na ndubhán = the loins. "I 'gus K ar a cliathán clé agus lumpa pic' ar shnáithe na ndúbhán." = How I heard an old man describing the brand on a sheep of his that had strayed. "an dubhan tur" = Bhí an dubhán tur aig = the lion's share = he had the best part.
dubhán muice = pig's kidney. "Thá an dubhán tur aige" = He has the biggest share, more than his share = (Rádh). Nílim deimhneach ar fad gurab é seo an brígh bhí le "dubhán tur" - bhí an "rádh" gnáthach.