mine canary
figurative
noun
A person or thing acting as a danger signal; (sometimes) specifically an animal or plant whose population size, state of health, etc., is viewed as indicative of the state of the environment.
Origin
1980s; earliest use found in The Washington Post. With allusion to the practice of keeping domestic canaries in coal mines to indicate the build-up of gases.
- put someone in his (or her) place
- put someone in mind of
- put someone in the way of
- put someone off
- put someone off their stroke
- put someone on
- put someone on a charge of something
- Doncaster
- doncha
- done
- donee
- done for
- Donegal
- Donegal tweed
- done in (or up)
- done like (a) dinner
- doneness
- done-over
- doner kebab
- Donets
- Donets Basin
- Donetsk
- done-up
- dong
- donga