1. Pertaining to a Christian Church which is ruled or managed by a group of official people who all have the same rank: The presbyterian principles are upheld by the clerical or religious government.
2. Relating to different Protestant churches governed by elders supporting Calvinism: Presbyterian members, of which there are very many in Scotland and in the USA, adhere to the discipline, principles, doctrines, and worship of the Calvinistic oriented government.