a Christian sect that arose after 1170 in southern France, under the leadership of Pierre Waldo, a merchant of Lyons, and joined the Reformation movement in the 16th century.
[French, from Old French vaudeis, from Medieval Latin Waldēnsēs; see Waldenses.]
Wal·den·ses (wŏl-děn'sēz, wôl-) pl.n. A Christian sect of dissenters that originated in southern France in the late 12th century and adopted Calvinist doctrines in the 16th century. Also called Vaudois.
[Medieval Latin Waldēnsēs, after Peter Waldo.] Wal·den'sian (-shən) adj. & n.