Source : Webster's Revised Unabridged Dictionary (1913)

Interpose \In`ter*pose"\, v. t. [imp. & p. p. {Interposed}; p.
   pr. & vb. n. {Interposing}.] [F. interposer. See {Inter-},
   and {Pose}, v. t.]
   1. To place between; as, to interpose a screen between the
      eye and the light.

            Mountains interposed Make enemies of nations.
                                                  --Cowper.

   2. To thrust; to intrude; to between, either for aid or for
      troubling.

            What watchful cares do interpose themselves Betwixt
            your eyes and night?                  --Shak.

            The common Father of mankind seasonably interposed
            his hand, and rescues miserable man.  --Woodward.

   3. To introduce or inject between the parts of a conversation
      or argument. --Milton.