waterstop

English

Etymology

From water +‎ stop.

Noun

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.

Anagrams

• water spot, waterpots