drainage

noun

drain·​age ˈdrā-nij 

1

: the act, process, or mode of draining

also : something drained off

2

: a device for draining : drain

also : a system of drains

3

: an area or district drained

Examples of drainage in a Sentence

Recent Examples on the Web

At this week’s meeting, Escobedo presented additional information, including schematics showing how the new house compares with the old one, how drainage and water issues would be handled, a landscape plan and additional external renderings. —Ashley MacKin Solomon, San Diego Union-Tribune, 20 Aug. 2025

The park’s layout has led to drainage issues and compliance with the Americans with Disabilities Act has posed a challenge, Hassett said. —Olivia Stevens, Chicago Tribune, 18 Aug. 2025

Artificial grass also can become extremely hot, doesn’t have the best drainage and isn’t easy to recycle. —Ashley Miznazi, Sun Sentinel, 14 Aug. 2025

If the soil is dry, water thoroughly, ensuring the pot’s drainage holes are in working order. —Andy Wilcox, Better Homes & Gardens, 14 Aug. 2025

Word History

First Known Use

1652, in the meaning defined at sense 1

Kids Definition

drainage

noun

drain·​age ˈdrā-nij 

1

a

: the act of draining

b

: something drained off

2

: a method of draining

also : a system of drains

Medical Definition

drainage

noun

drain·​age ˈdrā-nij 

1

: the act or process of drawing off fluids from a cavity or wound by means of suction or gravity

2

: a process of releasing internal conflicts or pent-up feelings (as hostility or guilt)