次じ高こう音おんMeanings1nounmezzo-sopranorare termmusicRare Japanese term for mezzo-soprano; in modern usage, the loanword メゾソプラノ is standard. This term may appear in older or specialized music contexts.See also: メゾソプラノ古ふるい楽がく譜ふには「次じ高こう音おん」と書かかれていることがある。In old musical scores, '次高音' is sometimes written.