Obturator
Obturator , noun
[New Latin, from Latin obturare to stop up: compare French obturateur.]
1.
That which closes or stops an opening.
2.
(Surgery) An apparatus designed to close an unnatural opening, as a fissure of the palate.
3.
(Ordnance) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.
4.
(Photography) A camera shutter.
Obturator , adjective
(Anatomy) Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.
Collocations (1)
Obturator foramen (Anatomy) , an opening situated between the public and ischial parts of the innominate bone and closed by the obturator membrane; the thyroid foramen.