Source : Webster's Revised Unabridged Dictionary (1913)

Interruption \In`ter*rup"tion\, n. [L. interruptio: cf. F.
   interruption.]
   1. The act of interrupting, or breaking in upon.

   2. The state of being interrupted; a breach or break, caused
      by the abrupt intervention of something foreign;
      intervention; interposition. --Sir M. Hale.

            Lest the interruption of time cause you to lose the
            idea of one part.                     --Dryden.

   3. Obstruction caused by breaking in upon course, current,
      progress, or motion; stop; hindrance; as, the author has
      met with many interruptions in the execution of his work;
      the speaker or the argument proceeds without interruption.

   4. Temporary cessation; intermission; suspension.

Source : WordNet®

interruption
     n 1: an act of delaying or interrupting the continuity; "it was
          presented without commercial breaks" [syn: {break}, {disruption},
           {gap}]
     2: some abrupt occurrence that interrupts; "the telephone is an
        annoying interruption"; "there was a break in the action
        when a player was hurt" [syn: {break}]
     3: a time interval during which there is a temporary cessation
        of something [syn: {pause}, {intermission}, {break}, {suspension}]