What does "contralto" mean?

Contralto: (a) The part sung by the highest male or lowest female voices; the alto or counter tenor. (b) the voice or singer performing this part; as, her voice is a contralto; she is a contralto. Note: The usual range of the contralto voice is from G, below middle C, to the C above that; though exceptionally it embraces two octaves.

Additional senses

  1. 2.Of or pertaining to a contralto, or to the part in music called contralto; as, a contralto voice.

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