From The Collaborative International Dictionary of English v.0.48 [gcide]:
2. To restrict or confine, as if by a bar; to hinder; to obstruct; to prevent; to prohibit; as, to bar the entrance of evil; distance bars our intercourse; the statute bars my right; the right is barred by time; a release bars the plaintiff's recovery; -- sometimes with up.
From WordNet (r) 3.0 (2006) [wn]:
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