canary in the coal mine

Noun

Meaning

canary in the coal mine (plural canaries in the coal mine or canaries in coal mines or canaries in the coal mines)

Alternative form of canary in a coal mine

Source: en.wiktionary.org

Close letter words and terms

canary glass canary grass canary in a coal mine canary island archipelago Canary Island date palm Canary Island hare's foot fern