canary

Adjective

• having the color of a canary; of a light to moderate yellow

Noun

• any of several small Old World finches

• a moderate yellow with a greenish tinge

• a female singer

• someone acting as an informer or decoy for the police

Related words

• Synonyms: 
  canary-yellow , canary bird , canary yellow , fink , snitch , snitcher , stoolpigeon , stool pigeon , stoolie , sneak , sneaker