The Collaborative International Dictionary of English v.0.48:

Wappened \Wap"pened\, a. [Cf. Waped, Wapper.]
   A word of doubtful meaning used once by Shakespeare.
   [1913 Webster]

         This [gold] is it
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         That makes the wappen'd widow wed again.
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   Note: It is conjectured by some that it is an error for
         wappered, meaning tremulous or exhausted.
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