baluster side
On an Ionic capital, the return face (having the form of a concave roll), reaching from volute to volute.
Pic
Pic
Pic
balustrade
An entire railing system (as along the edge of a balcony) including a top rail and its balusters, and sometimes a bottom
Pic
back veneer
In veneer plywood, the layer of veneer on the side of a plywood sheet which is opposite the face veneer