[pe-troh-broo-zhuh n, -shuh n]
a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
Origin of Petrobrusian
1550–60; < Medieval Latin petrobrusiānus, named after Petrus Brusius Pierre de Bruys, 12th-century Frenchman who founded the sect; see -an
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019