ˈbʌɹəʊ ˈbʌɹoʊ ˈbʌɹəʊ ˈbʌɹoʊ ˈtʌn(ə)l ˈtʌn(ə)l

force a way through move through by or as by digging burrow through the forest a passageway through or under something, usually underground (especially one for trains or cars) the tunnel reduced congestion at that intersection a hole made by an animal, usually for shelter