Definitions from Wiktionary (Drain)

▸ noun:  (chiefly US, Canada) A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK)
▸ noun:  (chiefly UK) An 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.
▸ noun:  A natural or artificial watercourse which drains a tract of land.
▸ noun:  Something consuming resources and providing nothing in return.
▸ noun:  (vulgar) An act of urination.
▸ noun:  (electronics) One terminal of a field effect transistor (FET).
▸ noun:  (pinball) An outhole.
▸ noun:  (UK, slang, dated) A drink.
▸ verb:  (intransitive) To lose liquid.
▸ verb:  (intransitive) To flow gradually.
▸ verb:  (transitive, ergative) To cause liquid to flow out of.
▸ verb:  (transitive, ergative) To convert a perennially wet place into a dry one.
▸ verb:  (transitive) To deplete of energy or resources.
▸ verb:  (transitive) To draw off by degrees; to cause to flow gradually out or off; hence, to exhaust.
▸ verb:  (transitive, obsolete) To filter.
▸ verb:  (intransitive, pinball) To fall off the bottom of the playfield.
▸ verb:  (slang, archaic, transitive) To drink.
▸ verb:  (transitive, basketball, slang) To make a shot.
▸ noun:  A surname.
▸ noun:  A city in Douglas County, Oregon, United States.
▸ Also see drain

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