- to stop up; close.
- 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.
Origin of obturate
1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for obturator
Variations in the obturator nerve were considered to be insignificant.
The obturator foramen is a small oval opening posteroventral to the acetabulum between the ischium and the pubis.
The obturator ridge is a short, blunt, longitudinal ridge forming the posterior edge of the trochanter.
The posterolateral intermuscular line is a slight ridge extending distally from the obturator ridge.
Gadow divides the obturator complex into two muscles (or muscle groups), which he terms M. obturator and Mm.
- (tr) to stop up (an opening, esp the breech of a gun)
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
- A structure, such as the soft palate, that closes an opening in the body.
- A prosthetic device that serves to close an opening or cleft, especially in the palate.
- A stylus or removable plug used during the insertion of many tubular instruments.
- To close or obstruct.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.