zip-linehttp://www.oed.com/dictionary/zip-line_n%3Ftab%3Dmeaning_and_usezip line, n.
First published 2011

zip linenoun

  1. 1970–
    An inclined cable or rope stretched between two points down which people slide by means of a suspended pulley, harness, or handle, often as a recreational activity. Cf. zip wire n.
    1. 1970
      A jump off lava cliffs on the zip lines.
      Caribou County Sun (Soda Springs, Idaho) 18 June 10/4
    2. 1983
      What they have to do is..cross a short two-line walk from one tree to the next 35 feet above the ground and speed down through the trees on a zip line.
      Scouting January 56
    3. 2010
      Once they dug a bunker, another time they rigged a zip line up between trees.
      S. Junger, War i. i. 12

Originally published as part of the entry for zip, int. & n.¹

zip line, n. was first published in December 2011.

zip line, n. was last modified in July 2023.