1. Noun
A draining; a gradual flowing off of any liquid; also, that which flows out of a drain.
2. Noun
The mode in which the waters of a country pass off by its streams and rivers.
3. Noun
The system of drains and their operation, by which superfluous water is removed from towns, railway beds, mines, and other works.
4. Noun
Area or district drained; as, the drainage of the Po, the Thames, etc.
5. Noun
The act, process, or means of drawing off the pus or fluids from a wound, abscess, etc.
6. Noun
emptying something accomplished by allowing liquid to run out of it
Vocabulary classified under Nature and environment
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