the Severn Tunnel
/ðə ˌsevn ˈtʌnl/
/ðə ˌsevərn ˈtʌnl/
- a rail tunnel under the river Severn between south-west England and south Wales. It was built near Bristol between 1873 and 1886 and is 4.35 miles/7 kilometres long, the longest tunnel in Britain.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
the Severn Tunnel