obturator
/ˈɒbtjʊəreɪtə(r)/noun
1- Anatomy either of two muscles covering the outer front part of the pelvis on each side and involved in movements of the thigh and hip【剖】闭孔肌。
1.1
- as modifier relating to this muscle or to the obturator foramen闭孔肌的, 闭孔的。
词源
early 18th cent.: from medieval Latin, literally 'obstructor', from obturare 'stop up'.