DRAIN

Definitions

1. 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. 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. 3. To filter. Salt water, drained through twenty vessels of earth, hath become fresh. Bacon.