sestet
Concise Oxford English Dictionary © 2008 Oxford University Press:
sestet /sɛsˈtɛt/
▶noun
- 1 Prosody the last six lines of a sonnet.
- 2 Music, rare a sextet.
– origin C19: from Ital. sestetto, from sesto, from L. sextus ‘a sixth’.
'sestet' also found in these Oxford entries:

