This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The action or a method of draining.

n. A system of drains.

n. Something that is drained off.

n. Medicine The removal of fluid or purulent material from a wound or body cavity.

n. A natural or artificial removal of surface and sub-surface water from a given area.

n. A system of drains.

n. A draining; a gradual flowing off of any liquid; also, that which flows out of a drain.

n. The mode in which the waters of a country pass off by its streams and rivers.

n. The system of drains and their operation, by which superfluous water is removed from towns, railway beds, mines, and other works.

n. Area or district drained

n. The act, process, or means of drawing off the pus or fluids from a wound, abscess, etc.

n. The act or process of draining; a gradual flowing off, as of a liquid.

n. The system of conduits, channels, or passages by means of which something is drained.

n. That which is drained off; that which is carried away by a system of drains; the water carried off by the systems of rivers and their minor affluents in any drainage-basin, or area of catchment, or in any part thereof. See basin, 8, and catchment.

n. In surgery, the draining of the pus and other morbid products from an accidental or artificial wound.

n. In surgery, drainage of a cavity by a tube which opens at the surface at two opposite points, allowing irrigation and drainage of the cavity without disturbance of the dressings.

n. emptying something accomplished by allowing liquid to run out of it

"MARK WILLIAMS, NEWS DIRECTOR, WNDB NEWSTALK 1150: Several weeks ago, the Orange County Sheriff ` s Department held what they have -- and I ` m going to put in quote -- a "training exercise" in what we call a drainage area or a drainage pond near the Anthony home."

voidance    emptying    evacuation   

mole drainage    epigenetic drainage    minor drainage    antecedent drainage    superposed drainage    underground drainage    land-drainage act    sink-hole drainage    inherited drainage    parallel drainage   

positive drainage   

draining    sewage    seepage   

ventilation    irrigation    drain    sewage    sanitation    sewer    circulation    runoff    reclamation    plumb