A small, showy trinket or decoration. She hung a colorful bauble on the Christmas tree.
A piece of jewelry that is inexpensive and of little value. He bought her a bauble from the street vendor as a souvenir.
A baton or mock scepter carried by a court jester, often elaborately ornamented. The jester twirled his bauble and bowed to the amused audience.
Something trivial or worthless, especially an object that distracts from more important matters. He spent all his money on useless baubles instead of paying his debts.