The Collaborative International Dictionary of English v.0.48:

Flaw \Flaw\, v. t. [imp. & p. p. Flawed; p. pr. & vb. n.
   Flawing.]
   1. To crack; to make flaws in.
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            The brazen caldrons with the frosts are flawed.
                                                  --Dryden.
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   2. To break; to violate; to make of no effect. [Obs.]
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            France hath flawed the league.        --Shak.
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