Definitions
1.NounA conduit allowing liquid to flow out of an otherwise contained volume; a plughole"The drain in the kitchen sink is clogged."
2.NounAn access point or conduit for rainwater that drains directly downstream in a (drainage) basin without going through sewers or water treatment in order to prevent or belay floods.
3.NounA natural or artificial watercourse which drains a tract of land." Saganing Drain, Vermuyden's Drain, the South Drain river, Najafgarh drain"
4.NounSomething consuming resources and providing nothing in return."That rental property is a drain on our finances."
5.NounAn act of urination.
6.NounOne terminal of a field effect transistor (FET).
7.NounAn outhole.
8.NounA drink.
9.VerbTo lose liquid."The clogged sink drained slowly.; Knock knock. / Who’s there? / Dwayne. / Dwayne who? / Drain the bathtub, I’m drowning."
10.VerbTo flow gradually."The water of low ground drains off."
11.VerbTo cause liquid to flow out of."Please drain the sink. It’s full of dirty water."
12.VerbTo convert a perennially wet place into a dry one."They had to drain the swampy land before the parking lot could be built."
13.VerbTo deplete of energy or resources."The stress of this job is really draining me."
14.VerbTo draw off by degrees; to cause to flow gradually out or off; hence, to exhaust.
15.VerbTo filter.
16.VerbTo fall off the bottom of the playfield.
17.VerbTo drink.
18.VerbTo make a shot.