1. a coal mine and its associated buildings and equipment
Usage: British

Examples

• The old colliery closed down in the 1980s when coal demand declined.
• Many families in the village worked at the local colliery for generations.
• The abandoned colliery buildings still stand as a reminder of the area’s mining heritage.
• Safety regulations at the colliery were strictly enforced after the accident.
• The colliery employed over 500 miners at its peak production.
• Environmental cleanup of the former colliery site took several years.