Definition of sinew noun from the Oxford Advanced American Dictionary

     

    sinew

     noun
    noun
    NAmE//ˈsɪnyu//
     
     
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  1. 1[countable, uncountable] a strong band of tissue in the body that joins a muscle to a bone
  2. 2[usually plural] (literary) a source of strength or power the sinews of economic life
  3. Idioms
See the Oxford Advanced Learner's Dictionary entry: sinew