Backboard
Back´board`
| n. | 1. | |
| 1. | A board which supports the back when one is sitting; | |
| 2. | A board serving as the back part of anything, as of a wagon. | |
| 3. | A thin stuff used for the backs of framed pictures, mirrors, etc. | |
| 4. | A board attached to the rim of a water wheel to prevent the water from running off the floats or paddles into the interior of the wheel. | |
| 5. | A board worn across the back to give erectness to the figure. |
| Noun | 1. |  backboard - a raised vertical board with basket attached; used to play basketball; "he banked the shot off the backboard"Synonyms: basketball backboard |
| 2. | backboard - a board used to support the back of someone or something |