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English definition of “drain”

drain

noun (PIPE)    /dreɪn/
C2 [C] a pipe or channel that is used to carry away waste matter and water from a building, or an opening in the road that rain water can flow down: I think the kitchen drain is blocked. She accidentally dropped her ring down a drain in the road.Plumbing and pipes and sewage drains [plural] UK the system of pipes, openings in the ground or other devices that are used for carrying away waste matter and water: There was an unpleasant smell coming from the drains.Plumbing and pipes and sewage [C] US for plugholePlumbing and pipes and sewageBathroom fixtures and fittings
(Definition of drain noun (PIPE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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