\Sac`ra*men*ta"ri*an\, 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.
2. One who holds extreme opinions regarding the efficacy of
   sacraments.

\Sac`ra*men*ta"ri*an\, a.
1. Of or pertaining a sacrament, or to the sacramentals;
   sacramental.
2. Of or pertaining to the Sacramentarians.