Pres ‧ by ‧ te ‧ ri ‧ an /ˌprezbəˈtɪəriən◂, ˌprezbɪˈtɪəriən◂ $ -ˈtɪr-/ BrE AmE noun [countable]
a member of a Protestant church, which is one of the largest churches in the US, and is the national church of Scotland
—Presbyterian adjective
—Presbyterianism noun [uncountable]