"Water drainage" refers to the process of removing excess water or regulating the flow of water from an area. It is done through channels, pipes, or natural pathways to prevent flooding or water buildup. Full definition
Its long - term performance is greatly affected by the critical aspects of the presence of proper lot grading, adequate site surface water drainage, and a proper landscaping plan. (rismedia.com)
If you are using the table outdoors, leave a little space between the boards for water drainage. (ana-white.com)
The tread pattern serves the purpose of improving water drainage, providing traction, braking and cornering characteristics and long tread life. (humblemechanic.com)