windbore

English

Etymology

From wind +‎ bore.

Noun

windbore (plural windbores)

1. The lower, or bottom, pipe in a lift of pumps in a mine.
   • 1864, Newton's London Journal of Arts and Sciences, volume 20, page 101:

     A large stone, 18 inches thick, is bedded at the bottom of the shaft, for the windbore of the bucket pump to rest upon. The remainder of the shaft bottom is filled in with hard burnt bricks and Barrow lime, forming a level bottom […]

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