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Definition of "muscle" []

  • A tissue composed of fibers capable of contracting to effect bodily movement. (noun)
  • A contractile organ consisting of a special bundle of muscle tissue, which moves a particular bone, part, or substance of the body: the heart muscle; the muscles of the arm. (noun)
  • Muscular strength: enough muscle to be a high jumper. (noun)
  • Informal Power or authority: put some muscle into law enforcement. (noun)
  • To make one's way by or as if by force: muscled into the conversation. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "muscle" in a sentence
  • "The child who is ‘spastic’ has muscle stiffness, or ‘muscle tension’."
  • "It will be well to note that the two shells of an oyster, which are called _valves_, are held together by a single muscle, known as the _adductor muscle_, that lies near the center, and that this muscle must be cut before the shell will open readily."
  • "Between the ciliary processes and the sclerotic coat is a small muscle, containing both circular and longitudinal fibers, called the _ciliary muscle_."