Definitions

from The Century Dictionary.

  • noun In coal-mines, a dense, soft clay underlying the coal-seam. Also called under-clay, seat, pavement, floor, or thill in different mining districts in England.
  • noun A Middle English form of puncheon.
  • Same as pounce, 1.

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  • "3. In coal-mines, a dense, soft clay underlying the coal-seam. Also called under-clay, seat, pavement, floor, or thill in different mining districts in England."

    --Century Dictionary

    April 7, 2011