noun. The four Gospels combined into a single narrative.

noun. In Greek and medieval music, the interval of a fourth.

noun. [Gr. το\ δια\ τεσσ, σ1άρων (Tatian, in Eusebius).] A harmony of the four Gospels.

noun. In old pharmacy, an electuary composed of four medicines: gentian, birth wort, bayberries, and myrrh.

noun. The interval of a fourth.

noun. A continuous narrative arranged from the first four books of the New Testament.

noun. An electuary compounded of four medicines.

noun. The interval of a fourth.

noun. A continuous narrative arranged from the first four books of the New Testament.

noun. An electuary compounded of four medicines.

"Contra popularizers and self-promoters like the the Jesus Seminar – always popular this time of year, go figure – the "early gospel" Thomas, for instance, relies upon the mid-second century harmonization, Tatian's diatessaron, of the four Gospels."

diapason diatessaron