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English definition of “bleed”

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bleed

verb uk   /bliːd/ (bled, bled) us  
B1 [I] to lose blood: Your arm is bleeding. He was bleeding heavily. [T] (in the past) to make someone lose blood, as a cure for an illness [T] If you bleed a closed system such as a radiator or a brake, you remove air or liquid from it to make it work correctly.
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(Definition of bleed from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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