Descant has 6 different meanings across 2 categories:
Noun
· Verb
Noun
1
a decorative musical accompaniment (often improvised) added above a basic melody
2
A lengthy discourse on a subject.
Verb
2
sing by changing register; sing by yodeling
"The Austrians were yodeling in the mountains"
3
talk at great length about something of one's interest
Broader Terms (hypernyms)