"soprano" in the noun sense
a female singer
the highest female voice the voice of a boy before puberty
3. soprano, treble
the pitch range of the highest female voice
"soprano" in the adjective sense
1. soprano, treble
having or denoting a high range
"the boy still had a fine treble voice"
"the treble clef"
Source: WordNet® (An amazing lexical database of English)
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