- 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
- (tr) to stop up (an opening, esp the breech of a gun)
C17: from Latin obtūrāre to block up, of obscure origin
- To close or obstruct.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.