So*pra"no (?), n.; pl. E. Sopranos (#), It. Soprani (#). [It., fr. soprano superior, highest, fr. sopra above, L. supra. See Sovereign.] Mus. (a)
The treble; the highest vocal register; the highest kind of female or boy's voice; the upper part in harmony for mixed voices.
(b)
A singer, commonly a woman, with a treble voice.
© Webster 1913.