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