drain

A conduit allowing liquid to flow out of an otherwise contained volume; a plughole (UK)CanadaUS

• The drain in the kitchen sink is clogged.
• bathtub drain; floor drain; shower drain; sink drain

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.UK

A natural or artificial watercourse which drains a tract of land.

• ;;Saganing Drain, Vermuyden's Drain, the South Drain river, Najafgarh drain
• […] the little runs and drains, that come through the hills, and to the sources of the creeks and their branches.

Something consuming resources and providing nothing in return.

• That rental property is a drain on our finances.

An act of urination.vulgar

One terminal of a field effect transistor (FET).

An outhole.

A drink.UKdatedslang

• When the play was over, we came out together, and I said, "We've been very companionable and agreeable, and perhaps you wouldn't object to a drain?"
• What did she want with money, except now and then for a drain of white satin.

To lose liquid.intransitive

• The clogged sink drained slowly.
• Knock knock. / Who’s there? / Dwayne. / Dwayne who? / Drain the bathtub, I’m drowning.

To flow gradually.intransitive

• The water of low ground drains off.

To cause liquid to flow out of.ergativetransitive

• Please drain the sink. It’s full of dirty water.

To convert a perennially wet place into a dry one.ergativetransitive

• They had to drain the swampy land before the parking lot could be built.

To deplete of energy or resources.transitive

• The stress of this job is really draining me.

To draw off by degrees; to cause to flow gradually out or off; hence, to exhaust.transitive

• Fountains drain the water from the ground adjacent.
• At leaſt, I'm ſure I can fiſh it out of her. She's the very Sluce to her Lady's Secrets;—'Tis but ſetting her Mill agoing, and I can drein her of 'em all.

To filter.obsoletetransitive

• Salt water, drained through twenty vessels of earth, hath become fresh.

To fall off the bottom of the playfield.intransitive

• When a ball finally drains, it's gulped down by a giant gator beneath the set of flippers.

To drink.archaicslangtransitive

• But when I strove my flame to tell, / Says she, 'Come, stow that patter, / If you're a cove wot likes a gal, / Vy don't you stand some gatter?' / In course I instantly complied— / Two brimming quarts of porter, / With sev'ral goes of gin be

To make a shot.slangtransitive