con ‧ tral ‧ to /kənˈtræltəʊ $ -toʊ/ BrE AmE noun ( plural contraltos )
[ Date: 1700-1800 ; Language: Italian ; Origin: contra- 'below' (from Latin ; ⇨ ↑ contra- ) + alto ( , ↑ alto ) ]
1 . [countable] the lowest female singing voice, or a woman with a voice like this
2 . [singular] the part of a musical work that is written for a contralto voice