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The New Jersey turnpike.


From Middle English turnpyke (spiked barrier across a road), originally used to block access to such a road until toll was paid.


turnpike (plural turnpikes)

  1. A frame consisting of two bars crossing each other at right angles and turning on a post or pin, to hinder the passage of animals, but admitting a person to pass between the arms; a turnstile.
    • Ben Jonson
      I move upon my axle like a turnpike.
  2. A gate or bar set across a road to stop carriages, animals, and sometimes people, until a toll is paid; a tollgate.
  3. (Scotland) A winding stairway.
    (Can we find and add a quotation of Sir Walter Scott to this entry?)
  4. (military) A beam filled with spikes to obstruct passage; a cheval de frise.
  5. A toll road, especially a toll expressway.
    • Daniel Defoe, The History of the Devil
      [] Pope Pelagius, then Bishop of Rome [] thereupon assum'd the Power of opening and shutting Heaven's Gates; and he afterwards setting a Price or Toll upon the Entrance, as we do here at passing a Turn-pike []
  6. (Can we verify(+) this sense?) A road that was formerly a toll road.
  7. (mathematical economics) A trajectory on a finite time interval that satisfies an optimality criterion which is associated with a cost function.
    • 2006, Alexander J. Zaslavski, Turnpike Properties in the Calculus of Variations and Optimal Control, ISBN 0387281541:
      In the monograph we discuss a number of results concerning turnpike properties in the calculus of variations and optimal control which were obtained by the author in the last ten years.



turnpike (third-person singular simple present turnpikes, present participle turnpiking, simple past and past participle turnpiked)

  1. To form (a road, etc.) in the manner of a turnpike road; into a rounded form, as the path of a road.
    (Can we find and add a quotation of Knowles to this entry?)

Norwegian Bokmål[edit]


turnpike f, m (definite singular turnpika or turnpiken, indefinite plural turnpiker, definite plural turnpikene)

  1. A young female gymnast