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English definition of “heart”

heart

noun [C] (ORGAN)    /hɑːt/ US  /hɑːrt/
A2 the organ in your chest that sends the blood around your body: He's got a weak/bad heart (= his heart is not healthy). Isabel's heart was beating fast with fright.The circulatory system and blood
(Definition of heart noun (ORGAN) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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