canary
How to Use Canary
Learner’s notesIn plain EnglishMost commonly the small yellow songbird, but also used for the colour, an informer, or an early test rollout of software.
The "canary in a coal mine" idiom refers to an early warning sign of danger, drawing on the old mining safety practice.
Word Forms
more canary comparative, canaried past tense, canaries plural, Canaries plural, canaries singular, most canary superlative
Fill the Gap
Can you complete this real example?
The _____ sang cheerfully in its cage by the window.
Etymology
From Spanish canario, referring to the Canary Islands, which the Romans in turn named after their dogs (Latin canis).