thurl /ˈθɝ(ə)l/
Thurl n.
1. A hole; an aperture. [Obs.]
2. Mining (a) A short communication between adits in a mine. (b) A long adit in a coalpit.
Thurl, v. t.
1. To cut through; to pierce. [Obs.]
2. Mining To cut through, as a partition between one working and another.
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