Meaning of obturator in English:


Pronunciation /ˈɒbtjʊreɪtə/


  • 1Anatomy
    Either of two muscles covering the outer front part of the pelvis on each side and involved in movements of the thigh and hip.

    ‘The surgeon uses a special hip arthroscopy cannula with cannulated obturators to establish the portals.’
    • ‘These branches supply the pectineus, the hip joint, and, by rejoining the obturator, the adductor muscles.’
    • ‘In one case the iliolumbar was a branch of the obturator, itself a branch of the internal iliac.’
    • ‘The lateral femoral circumflex may give rise to an obturator.’
    • ‘The obturator may communicate with the femoral vein.’
    1. 1.1as modifier Relating to the obturator or to the obturator foramen.
      ‘obturator neurectomy’
      • ‘Metastatic prostatic and transitional cell carcinomas were present in a single obturator lymph node.’
      • ‘No tumor was detected in the right and left obturator lymph nodes.’
      • ‘The obturator artery is very variable in origin and no embryological explanation has been found.’
      • ‘The femoral, lateral cutaneous, and obturator nerves exit from the lumbar plexus.’
      • ‘The obturator nerve is located in the fascia directly under the pubic bone.’


Early 17th century from modern Latin, literally ‘obstructor’, from Latin obturare ‘stop up’.