Definition of backboard
			
									- n. - A board which supports the back wen one is sitting;
- n. - A board serving as the back part of anything, as of a
   wagon.
- n. - A thin stuff used for the backs of framed pictures,
   mirrors, etc.
- n. - A board attached to the rim of a water wheel to prevent
   the water from running off the floats or paddies into the interior of
   the wheel.
- n. - A board worn across the back to give erectness to the
   figure.
- n. - A board which supports the back wen one is sitting;
- n. - A board serving as the back part of anything, as of a
   wagon.
- n. - A thin stuff used for the backs of framed pictures,
   mirrors, etc.
- n. - A board attached to the rim of a water wheel to prevent
   the water from running off the floats or paddies into the interior of
   the wheel.
- n. - A board worn across the back to give erectness to the
   figure.