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2 definitions found
 for obturate
From The Collaborative International Dictionary of English v.0.48 :

  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.]

From WordNet (r) 3.0 (2006) :

  obturate
      v 1: block passage through; "obstruct the path" [syn:
           obstruct, obturate, impede, occlude, jam,
           block, close up] [ant: disengage, free]

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