secrettunnel
nounUK /ˈsiː.krət ˈtʌn.əl/
US /ˈsiː.krət ˈtʌn.əl/
A secret tunnel is a hidden path under the ground that only some people know about.
The kids found a secret tunnel behind the old wall and used it to sneak to the garden.
RELATED WORDS
OTHER MEANINGS
2. A private or hidden way of communicating or sharing information without others noticing.
The two friends set up a secret tunnel of notes passed under the desk.
3. A protected computer connection that lets data travel safely and unseen.
The company uses a secret tunnel to keep its messages safe from hackers.
4. A hidden route used by animals to move safely from one place to another.
Rabbits made a secret tunnel through the tall grass to reach the pond.