Columbus Circle is a neighborhood and plaza in the downtown section of Syracuse, New York. Columbus Circle is home to Syracuse's two cathedrals, the Episcopalian St. Paul's Cathedral and the Roman CatholicCathedral of the Immaculate Conception. As well as County Court House and County Civic Center, home of the Onondaga County Government. Clinton Square in Syracuse. ... A cathedral is a Christian church building, specifically of a denomination with an episcopal hierarchy, such as the Anglican, Catholic and some Lutheran churches, which serves as the central church of a diocese, and thus as a bishops seat. ... The word Episcopal is derived from the Greek επισκοπος epískopos, which literally means overseer; the word however is used in religious terms to mean bishop. ... The Roman Catholic Church, most often spoken of simply as the Catholic Church, is the largest Christian church, with over one billion members. ... The Cathedral of the Immaculate Conception in Syracuse, New York is the seat of the Roman Catholic Diocese of Syracuse. ...