Category:Obturate

Ob"tu*rate, v. t. [imp. & p. p. Obturated; p. pr. & vb. n. Obturating.] [l. obturatus; p.p. of obturare.]

Defn: to stop or close, as an opening; specif., (ordnance),

Defn: to stop (a gun breech) so as to prevent the escape of gas in Firing.