noun🔗ShareAn underground coal mine, together with its surface buildings."The old colliery, now a museum, showed visitors how coal miners lived and worked, both underground and in the workshops above ground. "geologybuildingindustryenvironmentplacefuelworkareaChat with AIVocabulary GamePractice Reading
noun🔗ShareA facility that supplies coal."The small town's economy depended heavily on the local colliery for jobs and fuel. "industrybuildingplacematerialenergyfuelgeologymachineChat with AIVocabulary GamePractice Reading
