waterstop

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English

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Etymology

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From water +‎ stop.

Noun

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waterstop (plural waterstops)

  1. (construction) A waterproof barrier that is used to prevent moisture from leaking through a joint.
    • 2010, Center for Chemical Process Safety, Guidelines for Safe Warehousing of Chemicals, page 83:
      A waterstop, which is installed before pouring the concrete, may be effective in sealing joints, but is not applicable for cracks.
  2. A location along a waterway where a water taxi, riverboat, or similar form of transportation makes a regular stop to load and unload passengers or cargo.
    • 2009, Virginia Henley, The Raven and the Rose, page 292:
      The barge pulled up at the waterstop; she allowed the young men to leave first and then followed them up the incline to Greenwich Palace.

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