What does "nonet" mean?

A composition for nine instruments or nine voices.

What is a synonym for "nonet"?

Common synonyms include: ennead, nine.

/nɒˈnɛt/ noun

noun ·Rare ·Advanced level

Noun

1
A composition for nine instruments or nine voices.
"The small-group sides are the best, with the nonet in particular coming through as a sparkling unit that deserves an LP to itself."
2
A group of nine nuclear or subatomic particles.
3
A byte of nine bits.
"The 9-bit nonet is a much more sensible representation."

"The small-group sides are the best, with the nonet in particular coming through as a sparkling unit that deserves an LP to itself."

From Italian nonetto, from nono (“ninth”).