n. & adj.
--n.
1. a follower of Martin Luther, Ger. religious reformer d. 1546.
2 a member of the Church which accepts the Augsburg confession of 1530, with justification by faith alone as a cardinal doctrine.
--adj. of or characterized by the theology of Martin Luther.
Derivatives:
Lutheranism n. Lutheranize v.tr. & intr. (also -ise).