tunnel

A passage through a hill or under the ground or water that vehicles can travel through.

• The car entered the tunnel.
• We drove through a tunnel under the river.
• Both tunnels were closed to traffic.

Common phrases: road tunnel, tunnel entrance, drive through tunnel

A passage under the ground or water, or through a hill.

• The tunnel was dark.
• Prisoners dug a tunnel beneath the wall.
• The train passed through several tunnels.

Similar words: underground passage

Common phrases: underground tunnel, railway tunnel, escape tunnel

To dig a passage through or under something.

• The rabbits tunneled into the soil.
• Workers are tunneling under the river.
• They tunneled through the mountain for months.

How to use it: tunnel under something (The prisoners tunneled under the fence.); tunnel through something (Workers tunneled through solid rock.)

Similar words: burrow

Common phrases: tunnel under something, tunnel through rock, tunnel into something