Di`a*tes"sa*ron (?), n. [L., fr. Gr. (sc. ); 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.
© Webster 1913.