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Entry 5 senses · 2 variants Webster, 1913

Obturator

· Ob·tu·ra·tor · IPA
01 n. That which closes or stops an opening.
  1. 1.
    That which closes or stops an opening.
  2. 2.
    An apparatus designed to close an unnatural opening, as a fissure of the palate.(Surg.)
  3. 3.
    Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.(Ordnance)
  4. 4.
    A camera shutter.(Photog.)
02 a. Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.
  1. 1.
    Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.(Anat.)
Phrases & compounds
Obturator foramen — an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen.