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English definition of “hydrant”

hydrant

noun [C] uk   /ˈhaɪ.drənt/ us  
a vertical pipe, usually at the side of the road, that is connected to the main water system of a town and can supply water, especially for dealing with fires: a fire hydrantPlumbing and pipes and sewage
(Definition of hydrant from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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