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Alternative forms[edit]


From Middle English thille, thylle, from Old English þill ‎(board, plank, stake, pole). Cognate with German Diele, Swedish tilja, Icelandic þilja.



thill ‎(plural thills)

  1. One of the two long pieces of wood, extending before a vehicle, between which a horse is hitched; a shaft.
  2. The thin stratum of underclay which lies under a seam of coal; the bottom of a coal-seam.
    • 1888, Rudyard Kipling, ‘At Twenty-two’, In Black and White, Folio Society 2005, p. 405:
      One by one, Janki leading, they crept into the old gallery – a six-foot way with a scant four feet from thill to roof.