tunneller
/ˈtʌnələr/
noun
- Alternative spelling of tunneler (chiefly British). A person or machine that digs a tunnel.
- The tunneller operated the boring machine with precision.
- A skilled tunneller is essential for building underground railways.
- The tunneller broke through the final layer of rock.
- An animal that digs burrows or tunnels (British spelling).
- The tunneller emerged from its hole at dusk.
- Rabbits are natural tunnellers that create warrens.
- The badger is a powerful tunneller in the British countryside.