||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.