ninesome

noun

1. A group of nine persons or things.

   “In the ninesome reel the dance is fully organized; i.e. there is no arbitrary change of partner, and quite sophisticated dance-figures occur.”

   “As they stood before a staid cast-iron gate across the street from where they work, they made as toothsome a ninesome as could ever be glimpsed anywhere.”

   “On that day, representatives from each country's business community presented their fifty-one detailed recommendations to an impressive trinational ninesome.”