Pronunciation

change

Singular
alto

Plural
altos

 
An alto flute
  1. (uncountable) An alto is a vocal range. It is higher than tenor and lower than soprano.
    The alto saxophone plays in the alto range.
  2. (countable) (music) An alto is a musical instrument that is higher than a tenor, but is lower than a soprano.
    I play the alto flute.
  3. (countable) An alto is a singer who sings in the alto range.