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English definition of “sacroiliac”

sacroiliac

adjective uk ( also sacro-iliac)   /ˌseɪ.krəʊˈɪl.i.æk/ us    /ˌsæk.roʊˈɪl.iˌæk/ specialized
between the sacrum and ilium (= two bones in the pelvis): the sacroiliac joint
(Definition of sacroiliac from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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