drainage
/ˈdɹeɪnəd͡ʒ/
Proposed by a contributor, not yet supported by evidence.
Also seen as: drainages
Sense 1
Meaning · English
A natural or artificial means for the removal of fluids from a given area by its draining away.
Noun
Examples
It should move NR away from previous examples of repairs that have treated the symptoms (fixing the landslip) but not fixed the underlying cause (poor drainage), with the result that a second slip followed.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
A system of drains.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “drainage” mean?
A natural or artificial means for the removal of fluids from a given area by its draining away.
Is “drainage” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.