drain

1. (n) (chiefly US, Canada) A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK) 2. (n) A natural or artificial watercourse which drains a tract of land. 3. (v) (transitive) To deplete of energy or resources. 4. (v) (transitive, ergative) To cause liquid to flow out of. 5. (v) (intransitive) To flow gradually. 6. (v) (intransitive) To lose liquid. 7. (n) Something consuming resources and providing nothing in return. 8. (n) (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. 9. (n) (vulgar) An act of urination. 10. (n) (pinball) An outhole. 11. (v) (transitive, basketball, slang) To make a shot. 12. (n) (electronics) One terminal of a field effect transistor (FET). 13. (v) (transitive, ergative) To convert a perennially wet place into a dry one. 14. (v) (transitive) To draw off by degrees; to cause to flow gradually out or off; hence, to exhaust. 15. (v) (intransitive, pinball) To fall off the bottom of the playfield. 16. (n) (UK, slang, dated) A drink. 17. (v) (transitive, obsolete) To filter. 18. (v) (slang, archaic, transitive) To drink. 19. (n) A city in Douglas County, Oregon, United States. 20. (n) A surname.