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English definition of “psoas”

psoas

noun [C] uk   /ˈsəʊ.æs/ us    /ˈsoʊ.əs/ specialized
one of the two muscles on each side of the body that go from each side of the spine to the top of the thigh boneSubstances and structures in the body
(Definition of psoas from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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