Definition of United Presbyterian in US English:

United Presbyterian

adjective

Christian Church
historical
  • Designating the church formed in Scotland in 1847 by the amalgamation of the United Secession Church with the Relief Church; of or belonging to this church; abbreviated "U.P"

noun

Christian Church
historical
  • A member of the United Presbyterian Church.

Origin

Mid 19th century; earliest use found in Proceedings United Presbyterian Synod.