n. A person who insists on the importance of a regular succession of events, offices, etc.; especially (Eccl.), one who insists that apostolic succession alone is valid. [ 1913 Webster ]
n. 1. One who upholds secession. [ 1913 Webster ]
2. (U.S. Hist.) One who holds to the belief that a State has the right to separate from the Union at its will. [ 1913 Webster ]