Obturating

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Obturate \Ob"tu*rate\, v. t. [imp. & p. p. {Obturated}; p. pr. &
     vb. n. {Obturating}.] [L. obturatus; p.p. of obturare.]
     To stop or close, as an opening; specif., (Ordnance), to stop
     (a gun breech) so as to prevent the escape of gas in firing.
     [Webster 1913 Suppl.]