What is the meaning of muscle?

noun

• One of the contractile organs of the body.
  • synonyms: musculus
• Animal tissue consisting predominantly of contractile cells.
  • synonyms: muscular tissue
• A bully employed as a thug or bodyguard.
  • usage: "the drug lord had his muscleman to protect him"
  • synonyms: muscleman
• Authority or power or force (especially when used in a coercive way. )
  • usage: "the senators used their muscle to get the party leader to resign"
• Possessing muscular strength.
  • synonyms: brawn, brawniness, muscularity, sinew, heftiness

verb

• Make one's way by force.
  • usage: "He muscled his way into the office"