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.
SEVERN TUNNEL
Meaning of SEVERN TUNNEL in English
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005