miner's canary
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See also: miners' canary
English[edit]
Alternative forms[edit]
Noun[edit]
miner's canary (plural miners' canaries or miner's canaries)
- A bird caged in mines because its death provided a warning of dangerous levels of toxic gases.
- (idiomatic) Anything, especially an organism, whose death or distress provides an early warning of danger.
Derived terms[edit]
See also[edit]
Further reading[edit]
- miner's canary on Wikipedia.Wikipedia