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English definition of “vein”

vein

noun (TUBE)    /veɪn/
C1 [C] a tube that carries blood to the heart from the other parts of the bodyThe circulatory system and blood [C] the frame of a leaf or an insect's wingParts of plants
(Definition of vein noun (TUBE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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