Presbyterian n 1: a follower of Calvinism as taught in the Presbyterian Church
Presbyterian \Pres`by*te"ri*an\, a. [Cf. F. presbyt['e]rien.] Of or pertaining to a presbyter, or to ecclesiastical government by presbyters; relating to those who uphold church government by presbyters; also, to the doctrine, discipline, and worship of a communion so governed. [1913 Webster]
Presbyterian \Pres`by*te"ri*an\, n. [Cf. F. presbyt['e]rien.] One who maintains the validity of ordination and government by presbyters; a member of the Presbyterian church. [1913 Webster] {Reformed Presbyterians}. See {Cameronian}. [1913 Webster]
PRESBYTERIAN, n. One who holds the conviction that the government authorities of the Church should be called presbyters.