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

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