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English definition of “muscle”

muscle

noun (BODY PART)    /ˈmʌs.l̩/
B2 [C or U] one of many tissues in the body that can tighten and relax to produce movement: neck/back/leg/stomach muscles facial muscles bulging/rippling (= large and clear to see) muscles He flexed his muscles (= tightened them to make them look large and strong) so that everyone could admire them. These exercises build muscle and increase stamina. a muscle spasm (= a sudden uncontrollable tightening movement)Substances and structures in the body pull a muscle C1 to injure a muscle by stretching it too far so that it is very painful: Russell pulled a back muscle early in the game.Injuring and injuries
(Definition of muscle noun (BODY PART) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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