Emily Dickinson Lexicon

SAC-RA-MENT'A-RY, n.

1. An ancient book of the Romish church, written by Pope Gelasius, and revised, corrected and abridged by St. Gregory, in which were contained all the prayers and ceremonies practiced in the celebration of the sacraments. Encyc.
2. A sacramentarian; a term of reproach applied by Papists to Protestants. – Stapleton.