If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it:

The meaning of DRAIN is to draw off (liquid) gradually or completely. How to use drain in a sentence.

To or into the condition of being wasted or lost: All of our best laid plans are down the drain.

DRAIN definition: to withdraw or draw off (a liquid) gradually; remove slowly or by degrees, as by filtration. See examples of drain used in a sentence.

drain /dreɪn/ v. to empty by drawing off liquid: [~ + object] to drain a swamp. [~ + object (+ of + object)] Drain the wound (of blood) before you apply the bandage. [no object] The crankcase has to drain …

A drain is the primary vessel or conduit for unwanted water or waste liquids to flow away, either to a more useful area, funnelled into a receptacle, or run into sewers or stormwater mains as waste …

If you say that something is a drain on an organization's finances or resources, you mean that it costs the organization a large amount of money, and you do not consider that it is worth it.

Most commonly found at the bottom of sinks and bathtubs across the globe, a drain is the hole through which water is carried away.

Definition of drain verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

DRAIN meaning: 1 : to remove (liquid) from something by letting it flow away or out often + from; 2 : to become empty of a liquid