Source : Webster's Revised Unabridged Dictionary (1913)

Gallicanism \Gal"li*can*ism\, n.
   The principles, tendencies, or action of those, within the
   Roman Catholic Church in France, who (esp. in 1682) sought to
   restrict the papal authority in that country and increase the
   power of the national church. --Schaff-Herzog Encyc.