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Definition of Collier
1. Noun. Someone who works in a coal mine. 
Definition of Collier
1. n. One engaged in the business of digging mineral coal or making charcoal, or in transporting or dealing in coal.
Definition of Collier
1. a coal miner [n -S]
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1. Noun. Someone who works in a coal mine. 
1. n. One engaged in the business of digging mineral coal or making charcoal, or in transporting or dealing in coal.
1. a coal miner [n -S]