- emptying accomplished by draining

- a gradual depletion of energy or resources
"a drain on resources"
"a drain of young talent by emmigration"

- a pipe through which liquid is carried away

- tube inserted into a body cavity (as during surgery) to remove unwanted material

- make weak
"Life in the camp drained him"

- empty of liquid

- drain the liquid from
"We drained the oil tank"

- deplete of resources
"The exercise class drains me of energy"

- flow off gradually
"The rain water drains into this big vat"

1. To draw off by degrees; to cause to flow gradually out or off; hence, to cause the exhaustion of.

"Fountains drain the water from the ground adjacent." -- Bacon.

"But it was not alone that the he drained their treasure and hampered their industry." -- Motley.

2. To exhaust of liquid contents by drawing them off; to make gradually dry or empty; to remove surface water, as from streets, by gutters, etc.; to deprive of moisture; hence, to exhaust; to empty of wealth, resources, or the like; as, to drain a country of its specie.

"Sinking waters, the firm land to drain, Filled the capacious deep and formed the main." -- Roscommon.

3. To filter.

"Salt water, drained through twenty vessels of earth, hath become fresh." -- Bacon.

1. To flow gradually; as, the water of low ground drains off.

2. To become emptied of liquor by flowing or dropping; as, let the vessel stand and drain.

1. The act of draining, or of drawing off; gradual and continuous outflow or withdrawal; as, the drain of specie from a country.

2. That means of which anything is drained; a channel; a trench; a water course; a sewer; a sink.

3. pl. The grain from the mashing tub; as, brewers' drains. [Eng.] Halliwell.

Box drain
Counter drain
See under Box, Counter.

Right of drain
(Law), an easement or servitude by which one man has a right to convey water in pipes through or over the estate of another. Kent.