simple past tense and past participle of drain out

The migration of educated or talented people from less economically advanced areas to more economically advanced areas, especially to large cities or richer countries.

(vulgar, of men) To urinate.

(idiomatic) wasted or irretrievable.

A board beside a kitchen sink, designed to drain into the sink, used for letting kitchen utensils dry after they had been washed.

A shallow trench, sometimes lined with tile or containing a perforated pipe, backfilled with gravel and then covered over, used to collect and channel runoff water.

plural of drain pipe

alternative form of drainpipe

(figuratively) To get rid of the root causes of problems, especially to rid politics and government of evils, such as corruption and bureaucracy.

plural of air drain