Saved by the bell
Meaning
Rescued at the last moment.
Usage
Used for last-second reprieves.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
From boxing: a fighter in trouble is saved when the bell ends the round. A popular story about bells attached to coffins is a myth.
The boxing sense dates from the late 19th century.