Synaxis
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) A congregation; also, formerly, the Lord's Supper.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
( Σύναξις ), an Eastern term signifying, respectively,
1. A collect or short prayer;
2. The holy eucharist, or the Christian sacrifice;
3. An assembly for worship; and,
4. The joint commemoration of saints.