bau ‧ ble /ˈbɔːb ə l $ ˈbɒː-/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: Old French ; Origin: babel ]
1 . a cheap piece of jewellery
2 . British English a brightly coloured decoration that looks like a ball and is used to decorate a ↑ Christmas tree