Noun

1. A dirt road.
   • "Down a boreen green came a sweet colleen\And she smiled as she passed me by." -- "Star of the County Down", trad. folk song
   • 2002, Joseph O'Connor, Star of the Sea, Vintage 2003, p. 63:

     A boy in a disguise nobody believed in, an actor playing a part he didn't understand, he would trudge every rocky field and quaking bog, every pot-holed road and tortuous boreen, each of the thirteen villages on his father's estate, speaking the Irish he had learned from his father's servants.