Saul of Tarsus n : (New Testament) a Christian missionary to the Gentiles; author of several Epistles in the New Testament; even though Paul was not present at the Last Supper he is considered an apostle; "Paul's name was Saul prior to his conversion to Christianity" [syn: {Paul}, {Saint Paul}, {St. Paul}, {Apostle Paul}, {Paul the Apostle}, {Apostle of the Gentiles}, {Saul}]