1. a person who works in a coal mine
Usage: chiefly British
2. a ship designed to carry coal
Usage: nautical

Examples

• The collier emerged from the mine covered in coal dust.
• His grandfather was a collier who worked underground for thirty years.
• The old collier had spent his entire career in the Welsh coal mines.
• The collier docked at the port to unload its cargo of coal.
• Steam-powered colliers transported coal along the coast in the 19th century.
• The collier’s hold was filled with tons of anthracite coal.