Group of nine (5)
'group of nine' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for ennead that I've seen before include "Group of nine (rare); Anne, Ed (anag.)" , "Series of nine" , "Group of nine things" , "A group or set of nine" , "The Muses, say" .)
'group of nine' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for nonet that I've seen before include "Ennead" , "Piece of music for nine" , "Piece for nine payers" , "baseball team" , "Piece for nine players" .)