석탄을 캐는 일을 업으로 삼는 사람.
A person who works in a coal mine, especially one who extracts coal.
예문:
"The old collier shared stories of the dangerous conditions deep underground."
"Generations of men in this village worked as colliers until the mine closed."
석탄을 실어 나르는 데 쓰이는 배.
A ship specifically designed or used for transporting coal by sea.
예문:
"A massive collier was docked at the harbor, waiting to be unloaded."
"During the industrial revolution, colliers were essential for moving fuel to the cities."