συμφων-ία,ἡ,
A. concordorunison of sound, τὴν ἐν τῇ ᾠδῇ ἁρμονίαν, ἢ δὴ ς. καλεῖται
Pl. Cra. 405d
; ἡ γὰρ ἁρμονία ς. ἐστί, ς. δὲ ὁμολογία τις
Id. Smp. 187b
, cf. R. 430e ; λόγος ἀριθμῶν ἐν ὀξεῖ ἢ βαρεῖ
Arist. AP 0.90a18
, cf. de An. 426a29 ; κρᾶσίς ἐστι λόγον ἐχόντων ἐναντίων πρὸς ἄλληλα
Id. Pr. 921a2
.
2. of two sounds only,musical concord, accord, such as the fourth, fifth, and octave, Pl. R. 531a , 531c ;ἡ διὰ πασῶν ς. Arist. Pr. 921a13 , cf. Hp. Vict. 1.8 ; distd. from mereὁμοφωνία, Arist. Pol. 1263b35 .
3. harmonious union of many voicesorsounds, concert,οἱ τῶν ς. λόγοι, the Pythag. doctrineof the music of the spheres, Id. Cael. 290b22 , cf. IG 14.793 (Naples).
II. metaph.,harmony, agreement, Pl. Lg. 689d , Arist. Pol. 1334b10 ; ς. τις καὶ ἰσότης