Ob"tu*ra`tor (?), n. [NL., fr. L. obturare to stop up: cf.F. obturateur.]
1. That which closes or stops an opening. 2. (Surg.) An apparatus designed to close an unnatural opening, as a fissure of the palate. © Webster 1913
Ob"tu*ra`tor, a. (Anat.) Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve. Obturator foramen (Anat.), an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen. © Webster 1913
Ob"tu*ra`tor, n.
1. (Ordnance) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check. 2. (Photog.) A camera shutter. © Webster 1913
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