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supinator

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noun su·pi·na·tor \ˈsü-pə-ˌnā-tər\

Definition of supinator

  1. :  a muscle that produces the motion of supination



Origin and Etymology of supinator

New Latin, from Latin supinare


First Known Use: 1615


Medical Dictionary

supinator

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noun su·pi·na·tor \ˈsü-pə-ˌnāt-ər\

Medical Definition of supinator

  1. :  a muscle that produces the motion of supination; specifically :  a deeply situated muscle of the forearm that arises in two layers from the lateral epicondyle of the humerus and adjacent parts of the ligaments and bones of the elbow and that passes over the head of the radius to insert into its neck and the lateral surface of its shaft




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