Definition of obturator in English:
 obturator
noun ˈɒbtjʊəreɪtəˈɑbt(j)əˌreɪdər
Anatomy 1Either of two muscles covering the outer front part of the pelvis on each side and involved in movements of the thigh and hip.
 Example sentencesExamples
-  These branches supply the pectineus, the hip joint, and, by rejoining the obturator, the adductor muscles.
 -  The obturator may communicate with the femoral vein.
 -  The lateral femoral circumflex may give rise to an obturator.
 -  In one case the iliolumbar was a branch of the obturator, itself a branch of the internal iliac.
 -  The surgeon uses a special hip arthroscopy cannula with cannulated obturators to establish the portals.
 
- 1.1as modifier Relating to the obturator or to the obturator foramen.
 Example sentencesExamples
-  The obturator nerve is located in the fascia directly under the pubic bone.
 -  The obturator artery is very variable in origin and no embryological explanation has been found.
 -  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 femoral, lateral cutaneous, and obturator nerves exit from the lumbar plexus.
 
 
Origin
  
Early 18th century: from medieval Latin, literally 'obstructor', from obturare 'stop up'.
   Definition of obturator in US English:
 obturator
nounˈɑbt(j)əˌreɪdərˈäbt(y)əˌrādər
Anatomy 1Either of two muscles covering the outer front part of the pelvis on each side and involved in movements of the thigh and hip.
 Example sentencesExamples
-  The surgeon uses a special hip arthroscopy cannula with cannulated obturators to establish the portals.
 -  The lateral femoral circumflex may give rise to an obturator.
 -  In one case the iliolumbar was a branch of the obturator, itself a branch of the internal iliac.
 -  The obturator may communicate with the femoral vein.
 -  These branches supply the pectineus, the hip joint, and, by rejoining the obturator, the adductor muscles.
 
- 1.1as modifier Relating to the obturator or to the obturator foramen.
 Example sentencesExamples
-  No tumor was detected in the right and left obturator lymph nodes.
 -  Metastatic prostatic and transitional cell carcinomas were present in a single obturator lymph node.
 -  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.
 -  The obturator artery is very variable in origin and no embryological explanation has been found.
 
 
Origin
  
Early 18th century: from medieval Latin, literally ‘obstructor’, from obturare ‘stop up’.