ob·tu·ra·tor /ˈɑbtjəˌretɚ/
 閉塞物,閉塞具,密閉裝置


 ob·tu·ra·tor /ˈɑbt(j)əˌretɚ/ 名詞
 珠孔塞,充填器,充填,體窺鏡通芯,閉孔肌


 Ob·tu·ra·tor n.
 1. That which closes or stops an opening.
 2. Surg. 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.  Photog. A camera shutter.


 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.

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 obturator
      n : a prosthesis used to close an opening (as to close an
          opening of the hard palate in cases of cleft palate)