Noun working has 2 senses
  1. working, workings - a mine or quarry that is being or has been worked
    --1 is a kind of mechanism; excavation, hole in the ground; mechanism; excavation, hole in the ground
  2. working, workings - a mine or quarry that is being or has been worked
    --2 is a kind of excavation, hole in the ground; excavation, hole in the ground
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