definition of
soprano

[1] #1 soprano n. a female singer. wn

[2] #2 soprano s. [treble] having or denoting a high range; "soprano voice"; "soprano sax"; "the boy still had a fine treble voice"; "the treble clef". wn

[3] #3 soprano n. the highest female voice; the voice of a boy before puberty. wn

[4] #4 soprano n. [treble] the pitch range of the highest female voice. wn