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Definition of drainage

drainage

/ˈdreɪnɪdʒ/
drain · age

Plural:drainages
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drainage Lexical Profile

drainage Game Scores & Validity

• noun

1

The action, process, or method of drawing off water or other liquid from land, a structure, or a body cavity.

Example

"Sandy soil provides excellent drainage for drought-tolerant plants."


2

A system of drains, pipes, and channels used to carry off excess water or liquid waste.

Example

"The city invested heavily in upgrading its underground drainage to prevent street flooding during monsoons."


3

Liquid, waste matter, or fluid discharged from a drain, pipe, or medical wound.

Example

"The nurse checked the surgical dressing for any signs of abnormal drainage."


4

An area of land or geographical basin from which surface water flows into a particular stream, river, or body of water.

Example

"Hydrologists mapped the entire mountain drainage to monitor snowmelt levels in the spring."

Synonyms
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Antonyms
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• Rhymes for drainage

Word Origin & Etymology

Formed in the mid-17th century from the verb 'drain' (from Old English 'drēahnian', meaning to strain or filter out liquid) combined with the noun-forming suffix '-age'.

Cite this Entry


Wordmom. (2026). Definition of Drainage. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/drainage
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