bauble
Concise Oxford English Dictionary © 2008 Oxford University Press:
bauble /ˈbɔːb(ə)l/
▶noun
- 1 a small, showy trinket or decoration.
■ Brit. a decorative hollow ball hung on a Christmas tree.
- 2 a baton formerly used as an emblem by jesters.
– origin ME: from OFr. baubel ‘child's toy’, of unknown origin.
'bauble' also found in these Oxford entries:

