obturate: Meaning and Definition of

ob•tu•rate

Pronunciation: (ob'tu-rāt", -tyu-), [key]
— -rat•ed, -rat•ing.
  1. to stop up; close.
  2. to close (a hole or cavity) so as to prevent a flow of gas through it, esp. the escape of explosive gas from a gun tube during firing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
obtund obtuse
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