obturator

• POS: Noun
• HYPHEN: ob=tu=ra=tor

CIDE DICTIONARY

obturator, n. [NL., fr. L. obturare to stop up: cf. F. obturateur.].

•  That which closes or stops an opening.  [1913 Webster]
•  An apparatus designed to close an unnatural opening, as a fissure of the palate.  [1913 Webster]
•  Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.  [Webster 1913 Suppl.]
•  A camera shutter.  [Webster 1913 Suppl.]

obturator, a. 

 Serving as an obturator; closing an opening; pertaining to, or in the region of, the obturator foramen; as, the obturator nerve.  [1913 Webster]

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.