Definitions

1. noun

A structure (especially in anatomy) that blocks or closes something, or a device that controls the flow of fluids or gases.

“The obturator muscle helps close the pelvic aperture during certain exercises.”

2. adjective

Relating to or serving as an obturator.

“The obturator vein is an accessory to the obturator canal.”

3. noun

In orthopedic surgery, a device inserted to stabilize a joint.

“The surgeon used an obturator to repair the patient’s knee.”