alto
Definition (noun): a singer whose voice lies in the alto clef
Definition (noun): the lowest female singing voice
Definition (noun): the highest adult male singing voice
Definition (noun): (of a musical instrument) the second highest instrument in a family of musical instruments
Definition (noun): the pitch range of the lowest female voice
Definition (adjective): of or being the lowest female voice
Definition (adjective): of or being the highest male voice; having a range above that of tenor
Definition (adjective): (of a musical instrument) second highest member of a group
Example: alto clarinet or recorder