obturator

POS

Noun

HYPHEN

ob=tu=ra=tor

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WORDNET DICTIONARY

Noun obturator has 1 sense

obturator(n = noun.artifact) - a prosthesis used to close an opening (as to close an opening of the hard palate in cases of cleft palate);

is a kind of

prosthesis

prosthetic device

Derived form verb obturate₁

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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.