A Drain
- (chiefly US, Canada) A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK)
- (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.
- Something consuming resources and providing nothing in return.
That rental property is a drain on our finances.
- (vulgar) An act of urination.
- (electronics) One terminal of a field effect transistor (FET).
- (pinball) An outhole.
- (UK, slang, dated) A drink