Diatessaron

||Di`a*tes"sa*ron (?), n. [L., fr. Gr. ? (sc. ?); dia` through + ?, gen. of ? four (sc. ?.).] 1. (Anc. Mus.) The interval of a fourth.

2. (Theol.) A continuous narrative arranged from the first four books of the New Testament.

3. An electuary compounded of four medicines.