D defs.my
Entry 1 sense Webster, 1913

Soprano

/səp-rän'-ō/ · So·pra·no · IPA /səˈpɹænoʊ/
01 n. The treble; the highest vocal register; the highest kind of female or boy's voice; the upper part in harmony for mixed voices.
pl. Sopranos, Soprani ((#))
  1. 1.
    The treble; the highest vocal register; the highest kind of female or boy's voice; the upper part in harmony for mixed voices.(Mus.)