Trish I had no idea how many letters, but I looked up 'demesne' in the Consice Oxford Dictionary and it had it almost word for word - viz: Land attached to a manor and retained by the owner for their own use.
Clarissa9 - I had estate, but it won't fit in with 1, 2 or 8 down, so I'm stumped too....but are you thinking of DOMANE valjonfrank?......which wouldn't go in anyway...hmm