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The Collaborative International Dictionary
Interclude

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.

So all passage of external air into the receiver may be intercluded.
--Boyle.

Wiktionary
interclude

vb. (context transitive English) To shut off or cut off from a place or course, by something intervening; to intercept; to interrupt.