Hypertext Webster Gateway: "obturate"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (wn)
obturate
v : block passage through; "obstruct the path" [syn: {obstruct},
{impede}, {occlude}, {jam}, {block}, {close up}] [ant: {free}]
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