thurl

thurl is defined in Webster's Unabridged Dictionary (1913) with 3 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Mining) (a) A short communication between adits in a mine. (b) A long adit in a coalpit.
  2. 2.To cut through; to pierce. [Obs.] Piers Plowman.
  3. 3.(Mining) To cut through, as a partition between one working and another.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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