B2nountransporturban
US/ˈtʌn.əl/
UK/ˈtʌn.əl/
a long passage built under the ground or through a hill or mountain
In context
The train disappeared into a long tunnel under the mountain.
Workers spent six years digging a tunnel beneath the river.
Traffic backed up for miles because of an accident in the tunnel.
Words that go with tunnel
verb + noun
- dig a tunnelPrisoners tried to dig a tunnel out of the camp.
- enter a tunnelThe signal drops when the train enters a tunnel.
noun + noun
- subway tunnelThe subway tunnel floods during heavy rain.
- road tunnelThe new road tunnel cuts the trip by twenty minutes.
- tunnel entrancePolice closed the tunnel entrance after the crash.
adjective + noun
- underground tunnelAn underground tunnel links the two buildings.