n. [ LL. sacramentarius: cf. F. sacramentaire. ] 1. (Eccl.) A name given in the sixteenth century to those German reformers who rejected both the Roman and the Lutheran doctrine of the holy eucharist. [ 1913 Webster ]
2. One who holds extreme opinions regarding the efficacy of sacraments. [ 1913 Webster ]
n. [ Pref. tri- + sacramentarian. ] (Eccl.) One who recognizes three sacraments, and no more; -- namely, baptism, the Lord's Supper, and penance. See Sacrament. [ 1913 Webster ]