canary

Definition

a small, brightly colored songbird with a melodious voice; a warning signal or indicator of danger.

한국어 멜로디러스한 목소리를 가진 작은, 밝은 색상의 노래새; 위험 신호 또는 위험 신호

Example

"They kept a canary in a cage because of its beautiful singing; miners once used canaries to detect gas leaks in tunnels."