The term PROT. SECT is an abbreviation for Protestant Sect. Protestantism is a branch of Christianity that began in the 16th century as a reaction to the Roman Catholic Church. The crossword solutions for PROT. SECT are BAP (3 letters), BAPT (4 letters), and METH (4 letters). BAP stands for Baptism, which is a Christian sacrament signifying admission into the church. BAPT stands for Baptist, which is a Protestant denomination that emphasizes the importance of individual faith and the authority of scripture. METH stands for Methodist, which is another Protestant denomination that emphasizes social justice and personal holiness.