eulogia noun1 •(historical) The practice of sending the consecrated Eucharist to those not present, or the Eucharist itself so sent.To Severus he sends "a Campanian loaf from his cell, as a eulogia," together with a boxwood casket, and begs him, as before, by accepting the loaf in the name of the Lord to convert it into a eulogia. — 1880 formseulogiae