1. speaking or writing at length about a topic, especially in a detailed or elaborate way
Usage: formal
2. singing or playing a melodic accompaniment above a basic tune
Usage: musical

Examples

• The professor was descanting on the importance of classical literature.
• She spent the evening descanting about her travels through Europe.
• The politician kept descanting on economic policy during the debate.
• The soprano was descanting beautifully above the choir’s melody.
• He enjoyed descanting on philosophical matters with his colleagues.
• The flutist was descanting over the simple folk tune.