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The Collaborative International Dictionary of English v.0.48 (gcide)

Drain \Drain\ (dr[=a]n), v. t. [imp. & p. p. {Drained}
(dr[=a]nd); p. pr. & vb. n. {Draining}.] [AS. drehnigean to
drain, strain; perh. akin to E. draw.]
1. To draw off by degrees; to cause to flow gradually out or
off; hence, to cause the exhaustion of.
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Fountains drain the water from the ground adjacent.
--Bacon.
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But it was not alone that the he drained their
treasure and hampered their industry. --Motley.
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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.
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Sinking waters, the firm land to drain,
Filled the capacious deep and formed the main.
--Roscommon.
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3. To filter.
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Salt water, drained through twenty vessels of earth,
hath become fresh. --Bacon.
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Draining \Drain"ing\, vb. n. of {Drain}, v. t. (Agric.)
The art of carrying off surplus water, as from land.
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{Draining tile}. Same as {Draintile}.
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