the Inquisition in Spain, under state control from 1480 to 1834, marked by the extreme severity and cruelty of its proceedings in the 16th century.
British Dictionary definitions for Spanish Inquisition
Spanish Inquisition
noun
1.
the institution that guarded the orthodoxy of Catholicism in Spain, chiefly by the persecution of Jews and Muslims, esp from the 15th to 17th centuries See also Inquisition