car ‧ ill ‧ on /kəˈrɪljən, ˈkærəljən, $ ˈkærəljɑːn, -lən/ BrE AmE noun [countable]
[ Date: 1700-1800 ; Language: French ; Origin: Old French quarregnon , from Late Latin quaternio 'set of four' ]
a set of bells in a tower that are controlled from a piano ↑ keyboard , or a tune played on these bells