- a member of a branch of the Cistercian order, observing the austere reformed rule established at La Trappe in 1664.
- of or relating to the Trappists.
- a member of a branch of the Cistercian order of Christian monks, the Reformed Cistercians of the Strict Observance which originated at La Trappe in France in 1664. They are noted for their rule of silence
- (as modifier)
