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单词 tail-pole
释义

tail-pole

See also: tailpole and tail pole

English

Alternative forms

  • tail pole
  • tailpole

Etymology

tail + pole

Noun

tail-pole (plural tail-poles)

  1. A wooden pole, usually fifteen to twenty-five long and nine inches in diameter, used to rotate a windmill into the wind.
    • 2011, Stanley Freese, Windmills and Millwrighting, Cambridge University Press, page 40
      Old post-mills were turned or 'luffed' into the wind by a pole variously called the tail-pole, tail-beam, turning-beam, or tiller-beam.
    • 1960, Thomas Kingston Derry, Trevor Illtyd Williams, A Short History of Technology from the Earliest Times to A.D. 1900, Courier Corporation, page 256
      For a long time the turning was done manually, simply by pushing on a long tail-pole extending downwards, almost to the ground, from the rotatable superstructure.

Synonyms

  • tail-beam
  • turning-beam
  • tiller-beam
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