- an independent treble melody sung or played above a basic melody.；a melodious song
- talk tediously or at length
noun: descant, plural noun: descants
- 1. an independent treble melody sung or played above a basic melody.
- ▪ archaic, literary a melodious song I hear the wood thrush piping one mellow descant more
- 2. literary a discourse on a theme his descant of deprivation
- 1. literary talk tediously or at length I have descanted on this subject before