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muscle (EN)
noun, verb

noun “muscle”

singular muscle, plural muscles or uncountable
  1. a body part made up of muscle tissue that helps in movement or maintaining posture
    She felt a sharp pain in her leg muscle after running the marathon.
  2. the soft tissue found in animals and humans that can tighten and relax to create movement
    When you lift weights, you build muscle in your arms and legs.
  3. power or strength
    The company used its financial muscle to buy out its competitor.
  4. (informal) people employed to provide protection or to intimidate others
    The club owner always had muscle at the door to keep troublemakers out.

verb “muscle”

infinitive muscle; he muscles; past tense muscled; past part. muscled; ger. muscling
  1. to forcefully push one's way through a place or situation using physical strength
    He had to muscle through the crowd to get inside.