Noah Webster's Dictionary 1. (n.) A separation or disjunction of relations or interests; as, the disunion of the body and the soul. 2. (n.) A breach of concord and its effect; alienation. 3. (n.) The termination or disruption of the union of the States forming the United States.

Multi-Version Concordance Disunion (1 Occurrence) 1 Corinthians 12:25 that there might be no disunion in the body, but that all the members might entertain the same anxious care for one another's welfare. (WEY)