εὐστομία

A. goodness of sound, euphony, Pl. Cra. 404d, D.H. Comp. 7, etc.; sweet singing, Ael. NA 17.23; beauty of language, D.H. Lys. 12, Dem. 13, etc.; δάκρυσον νεότητα καὶ εὐ. Syria 5.337 (Sidon).

II. pleasantness to the mouth, goodness of taste, Thphr. CP 6.16.2, Dsc. 2.16: pl., Plu. 2.687d; f.l. for εὐστομαχία, Hices. ap. Ath. 7.310f.

III. skill with the mouth, of a flute-player, Philostr. VA 5.21.