Disunion /(?)/

Dis·un·ion

Disunion

n.
  1. The termination of union; separation; disjunction; as, the disunion of the body and the soul.
  2. A breach of concord and its effect; alienation.
    Such a disunion between the two houses as might much clou the happiness of this kingdom.
  3. The termination or disruption of the union of the States forming the United States.
    I have not accustomed myself to hang over the precipice of disunion.