Source : Webster's Revised Unabridged Dictionary (1913)

Cistercian \Cis*ter"cian\, n. [LL. Cistercium. F. C[^i]teaux, a
   convent not far from Dijon, in France: cf. F. cistercien.]
   (Eccl.)
   A monk of the prolific branch of the Benedictine Order,
   established in 1098 at C[^i]teaux, in France, by Robert,
   abbot of Molesme. For two hundred years the Cistercians
   followed the rule of St. Benedict in all its rigor. -- a. Of
   or pertaining to the Cistercians.

Source : WordNet®

Cistercian
     n : member of an order of monks noted for austerity and a vow of
         silence [syn: {Trappist}]