Tunnel | Mean of tunnel in English Dictionary

/ˈtʌnl̟/

• Noun
• a passage that goes under the ground, through a hill, etc.
1. an underground tunnel
2. The train goes through a tunnel in the mountain.
3. The moles dug tunnels in the yard.
• Verb
• to make a tunnel
1. Workers are tunneling through the hill.
2. Insects had tunneled into the tree.
3. The prisoners tried to tunnel their way out. [=tried to escape by digging a tunnel]