I found an article on The Highway that defined Presbyterianism:
Quote
"What Does It Mean That We Are Presbyterian?" Christ Covenant Reformed, PCA.
The term "Presbyterian" refers to the form of government that is used by a church or a group of churches. It derives its meaning from the Greek word "presbuteros," which is used throughout the New Testament in connection with the rule of the church, and is usually translated "elder." A Presbyterian church governs its congregation by both teaching elders (the pastor) and ruling elders (mature Christian men in the congregation gifted accordingly). Together they make up the "Session" and join with "Sessions" of other regional churches in their denonminaton forming a "Presbytery."
I have further questions:
1. Is the Session self-perpetuating (e.g., voting to call and remove elders)? 2. Is there a separate Presbytery body independent of and above the Sessions? 3. Does the Presbytery exercise authority over the Sessions (e.g., disciplining, calling, removing Session elders)? 4. Does the Presbytery own and control the Session's church property? 5. Is the Presbyterian/Session system the only scripturally based form of church polity?