The Collaborative International Dictionary of English v.0.48:

Unlaw \Un*law"\, v. t. [1st un- + law.]
   1. To deprive of the authority or character of law. [Obs.]
      [1913 Webster]

   2. To put beyond protection of law; to outlaw. [Obs.]
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   3. (Scots Law) To impose a fine upon; to fine.
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The Collaborative International Dictionary of English v.0.48:

Unlaw \Un*law"\, n. [Pref. un- + law.] (Scots Law)
      (a) Any transgression or offense against the law.
      (b) A fine imposed as a penalty for violation of the law.
          [1913 Webster]