Prison solitary confinement, a term used by inmates.
(mostly Scotland) A slag heap, i.e. a man-made mound or heap formed with the waste material (slag) as a by-product of coal mining or the shale oil industry. Can also refer to the waste by-product from a foundry or furnace, formed into such a mound.
(mostly Scotland) A heap or pile.
All clues having "BING"
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