a. [ L. Lethaeus, Gr. lh`qaios or lhqai^os. ] Of or pertaining to Lethe; resembling in effect the water of Lethe. Milton. Barrow. [ 1913 Webster ]
a. (Eccl. Hist.) Of or pertaining to Luther; adhering to the doctrines of Luther or the Lutheran Church. [ 1913 Webster ]
n. (Eccl. Hist.) One who accepts or adheres to the doctrines of Luther or the Lutheran Church. [ 1913 Webster ]