Contralto :: Contralto (n.) The part sung by the highest male or lowest female voices; the alto or counter tenor.
Contralto :: Contralto (n.) the voice or singer performing this part; as, her voice is a contralto; she is a contralto..
Contralto :: Contralto (a.) Of or pertaining to a contralto, or to the part in music called contralto; as, a contralto voice..