Synaxarium

Synaxarion or Synexarion (plurals Synaxaria, Synexaria; Greek:Συναξάριον, from συνάγειν, synagein, "to bring together"; cf. etymology of synaxis and synagogue; Latin: Synaxarium, Synexarium) is the name given in the Eastern Orthodox, Oriental Orthodox and Eastern Catholic Churches to a compilation of hagiographies corresponding roughly to the martyrology of the Roman Church.