bar
noun [ C ]
uk/bɑːr/ ussomething that prevents a particular event or development from happening:
a bar (to sth) A lack of formal education does not have to be a bar to success in business and politics.
bar
verb [ T ]
uk/bɑːr/ us-rr- LAW
to prevent something or someone from doing something or going somewhere, or to refuse to allow something:
bar sb/sth from (doing) sth Lawyers on both sides have been barred from discussing the case in the press.
The government voted to bar the import of exotic birds.