drainage

American  

[drey-nij] / ˈdreɪ nɪdʒ /

noun

1. the act or process of draining.

2. a system of drains, artificial or natural.

3. drainage basin.

4. something that is drained off.

5. Surgery. the drainage of fluids, as bile, urine, etc., from the body, or of pus and other diseased products from a wound.

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drainage British  

/ ˈdreɪnɪdʒ /

noun

1. the process or a method of draining

2. a system of watercourses or drains

3. liquid, sewage, etc, that is drained away

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Other Word Forms

• overdrainage
  noun

Etymology

Origin of drainage

First recorded in 1645–55; drain + -age

Example Sentences

"They needed to fix the drainage and not just paint it blue to make it look bright."

From Barron's • May 15, 2026

This year, attendees can sign up for free massages, red light therapy sessions, lymphatic drainage boots, and—thanks in part to a partnership with LEGO—partake in a series of analog “adult play” installations.

From Slate • May 8, 2026

“This should be mostly beneficial across the region, but some minor nuisance flooding is possible in urban and poor drainage areas if heavy rain showers or thunderstorms develop,” the weather service office in Monterey said.

From Los Angeles Times • Apr. 19, 2026

Prosecutors said Colony Ridge repeatedly misled consumers about the condition of lots they purchased, forcing them to spend hundreds or thousands on drainage improvements and utility connections they hadn’t known the land needed.

From Salon • Apr. 12, 2026

The ultimate in drainage work was reserved for the creation of the celadon glaze.

From "A Single Shard" by Linda Sue Park

Related Words

• sewerage