canary
ca-na-ry
noun
A small, yellow songbird, often kept as a pet.
"The pet canary sang a cheerful tune."
noun
A bright, vivid yellow colour.
"She chose a striking canary for her walls."
noun
An early indicator of impending danger or trouble, as in 'canary in the coal mine'.
"His fatigue was a canary in the coal mine."
Thesaurus
Synonyms: canary yellow, canary-yellow, chromatic, fink, sneaker, stoolie, stoolpigeon, stool pigeon, sneak, snitch, snitcher, canary bird