noun, plural -pran⋅os, adjective Music.| 1. | the uppermost part or voice. |
| 2. | the highest singing voice in women and boys. |
| 3. | a part for such a voice. |
| 4. | a singer with such a voice. |
| 5. | of or pertaining to a soprano; having the compass of a soprano. |

The highest range of the female singing voice. (Compare alto and mezzo soprano.)