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obturate

[ob-tuh-reyt, -tyuh-]
verb (used with object), ob·tu·rat·ed, ob·tu·rat·ing.
  1. to stop up; close.
  2. Ordnance. to close (a hole or cavity) so as to prevent a flow of gas through it, especially the escape of explosive gas from a gun tube during firing.
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Origin of obturate

1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up
Related formsob·tu·ra·tion, nounob·tu·ra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for obturator

Historical Examples of obturator


British Dictionary definitions for obturator

obturate

verb
  1. (tr) to stop up (an opening, esp the breech of a gun)
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Derived Formsobturation, nounobturator, noun

Word Origin for obturate

C17: from Latin obtūrāre to block up, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

obturator in Medicine

obturator

(ŏbtə-rā′tər)
n.
  1. A structure, such as the soft palate, that closes an opening in the body.
  2. A prosthetic device that serves to close an opening or cleft, especially in the palate.
  3. A stylus or removable plug used during the insertion of many tubular instruments.
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obturate

(ŏbtə-rāt′)
v.
  1. To close or obstruct.
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Related formsob′tu•ration n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.