maybe 'ornament' would fit the crossword
Mistletoe
Undecorated christmas tree
for decoration in the house
One of the modern Christmas decorations you could use are non-traditional Christmas trees. You can find many on this site, with links to the stores where you can find them:(http://www.digsdigs.com/10-modern-christmas-tree-alternatives/).
Tinsel as a Christmas tree decoration originated in Nuremberg, Germany around 1610. Before that, it was used primarily as a decoration for sculptures.
The common decoration for the top of a Christmas tree, is a star.
A tree of course!
I would describe someone as a walking Christmas tree if that person was wearing a ridiculously excessive amount of decoration.
The primary Christmas decoration in France is the Christmas tree (or, in French, sapin de noel).
A star or an angel is the most common decoration to put on the top of a Christmas tree.
free tree