• Webster's Revised Unabridged Dictionary
    • Diatessaron (Theol) A continuous narrative arranged from the first four books of the New Testament.
    • Diatessaron An electuary compounded of four medicines.
    • Diatessaron (Anc. Mus) The interval of a fourth.
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Century Dictionary and Cyclopedia
    • n diatessaron In Greek and medieval music, the interval of a fourth.
    • n diatessaron [Gr. το\ δια\ τεσσ, σ1άρων (Tatian, in Eusebius).] A harmony of the four Gospels. The first work of this kind was that of Tatian (latter half of the second century), a Christian apologist, but afterward a Gnostic.
    • n diatessaron In old pharmacy, an electuary composed of four medicines: gentian, birth wort, bayberries, and myrrh.
    • ***
Chambers's Twentieth Century Dictionary
    • n Diatessaron dī-a-tes′a-rōn a harmony of the four gospels, esp. the earliest, that of Tatian (prob. 110-180 A.D.):
    • n Diatessaron dī-a-tes′a-rōn (mus.) the interval of a fourth: an electuary of four ingredients.
    • ***


Webster's Revised Unabridged Dictionary
L., fr. Gr. (sc. ); dia` through + , gen. of four (sc. .)
Chambers's Twentieth Century Dictionary
Gr., for dia tessarōn, through, or composed of four.


In literature:

Diatessaron of Tatian, 38, 47, 281.
"The Life of Jesus of Nazareth" by Rush Rhees
Here we get the Diatessaron identified with the widely-spread and popular early Gospel of the Hebrews.
"The Freethinker's Text Book, Part II." by Annie Besant
Tatian and his Diatessaron, 50.
"Companion to the Bible" by E. P. Barrows
The plan of Tatian's Diatessaron will account for a great deal.
"The Causes of the Corruption of the Traditional Text of the Holy Gospels" by John Burgon
Hjelt) or the Diatessaron (so Burkitt) came first is uncertain.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10" by Various
There is a chronological synopsis, but no diatessaron table.
"Sunday-School Success" by Amos R. Wells
Was his Diatessaron such a book, or was it the Gospel according to the Hebrews?
"The Wave of Scepticism and the Rock of Truth" by Matthew Henry Habershon