Lewis Short
(adjective) = διάτονος: dĭătŏnus, a, um, , = (extended).
* In architecture: lateres,band-stones, which run through the thickness of a wall and bind it together,Vitr. 2, 8, 7.
* In music: diatonum, i, the natural or diatonic series of notes without breaks or intervals, the diatonic scale, Vitr. 5, 4, 3 sq.; Macr. Somn. Scip. 2, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary