| Meaning | One of the contractile organs of the body. |
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| Synonym | muscle |
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| Parts | muscle cell, muscle fiber, muscle fibre | An elongated contractile cell that forms the muscles of the body |
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| Narrower | antagonistic muscle | (physiology) a muscle that opposes the action of another |
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| levator | A muscle that serves to lift some body part (as the eyelid or lip) |
| ocular muscle, eye muscle | One of the small muscles of the eye that serve to rotate the eyeball |
| pronator | A muscle that produces or assists in pronation |
| rectus | Any of various straight muscles |
| skeletal muscle, striated muscle | A muscle that is connected at either or both ends to a bone and so move parts of the skeleton |
| smooth muscle, involuntary muscle | A muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart) |
| sphincter, anatomical sphincter, sphincter muscle | A ring of muscle that contracts to close an opening |
| supinator | A muscle (especially in the forearm) that produces or assists in supination |
| tensor | Any of several muscles that cause an attached structure to become tense or firm |
| Broader | contractile organ, contractor | A bodily organ that contracts |
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| Spanish | músculo |
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| Catalan | múscul |
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