from The Century Dictionary and Cyclopedia

  • n. The dust or grime of coal. Also coal-sleck.
  • n. See slack.


Sorry, no etymologies found.


  • A mountain of coal-slack lies between the lines a little further along, which are in "dead" ground that cannot be covered by rifle fire, and are 1,200 yards apart.

    The Red Horizon

  • Couldn't you contrive that the pits belonged to you, instead of you belonging to the pits, like so many old pit-ponies that stop down till they are blind, and take to eating coal-slack for meadow-grass, not knowing the difference?

    Touch and Go

  • In the nest, which was barely a hole scratched out of the coal-slack in the manner of a plover's nest, I observed three eggs, but did not touch them.

    Zoonomia, Vol. I Or, the Laws of Organic Life


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