a bell, kept in Philadelphia, in the US state of Pennsylvania, which was rung on July 8th, 1776, during the American Revolutionary War to tell people of the Declaration of Independence from Britain. Because of this, the bell became a symbol of liberty for the US. In 1846 it cracked when it was rung to celebrate the birthday of George Washington, and it could not be repaired.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
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