backboard
    n 1: a raised vertical board with basket attached; used to play
         basketball; "he banked the shot off the backboard" [syn:
         backboard, basketball backboard]
    2: a board used to support the back of someone or something

Backboard \Back"board`\, n. [2d back, n. + board.]
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   1. A board which supports the back when one is sitting;
      specifically, the board athwart the after part of a boat.
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   2. A board serving as the back part of anything, as of a
      wagon.
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   3. A thin stuff used for the backs of framed pictures,
      mirrors, etc.
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   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. --W. Nicholson.
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   5. A board worn across the back to give erectness to the
      figure. --Thackeray.
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