Any similar passage or hole for shelter, refuge, etc.
The shaft of a mine.
A long, narrow, vertical or slanting passage sunk into the earth
A fallopian tube
An opening or perforation:
An underground, metropolitan electric railway or the tunnel through which it runs
Find another word for tunnels. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for tunnels, like: burrows, drifts, pits, shafts, tubes, holes and subways.