Mer·sey /ˈmɜːzi $ ˈmɜːr-/ BrE AmE
the Mersey a river in northwest England, which flows through Cheshire, Greater Manchester, and Merseyside into the Irish Sea. For British people, the Mersey is usually connected with Liverpool, and the music of the ↑ Beatles and other ↑ pop groups from Liverpool in the 1960s was known as the Mersey sound or the Mersey beat.