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English definition of “muscle”

muscle

noun uk   /ˈmʌs.l̩/ us  

muscle noun (BODY PART)

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

muscle noun (POWER)

[U] the power to do difficult things or to make people behave in a certain way: This magazine has considerable financial muscle and can afford to pay top journalists. The company lacks the marketing muscle to compete with drug giants.Power to control
(Definition of muscle from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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