intercluding

from The Collaborative International Dictionary of English v.0.48

Interclude \In`ter*clude"\, v. t. [imp. & p. p. {Intercluded};
   p. pr. & vb. n. {Intercluding}.] [L. intercludere,
   interclusum; inter between + claudere to shut. See {Close},
   and cf. {Interclose}.]
   To shut off or out from a place or course, by something
   intervening; to intercept; to cut off; to interrupt.
   --Mitford.
   [1913 Webster]

         So all passage of external air into the receiver may be
         intercluded.                             --Boyle.
   [1913 Webster]