The Collaborative International Dictionary of English v.0.48:

Claw \Claw\ (kl[add]), v. t. [imp. & p. p. Clawed (kl[add]d);
   p. pr. & vb. n. Clawing.] [AS. clawan. See Claw, n.]
   1. To pull, tear, or scratch with, or as with, claws or
      nails.
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   2. To relieve from some uneasy sensation, as by scratching;
      to tickle; hence, to flatter; to court. [Obs.]
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            Rich men they claw, soothe up, and flatter; the poor
            they contemn and despise.             --Holland.
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   3. To rail at; to scold. [Obs.]
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            In the aforesaid preamble, the king fairly claweth
            the great monasteries, wherein, saith he, religion,
            thanks be to God, is right well kept and observed;
            though he claweth them soon after in another
            acceptation.                          --T. Fuller
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   Claw me, claw thee, stand by me and I will stand by you; --
      an old proverb. --Tyndale.

   To claw away, to scold or revile. "The jade Fortune is to
      be clawed away for it, if you should lose it."
      --L'Estrange.

   To claw (one) on the back, to tickle; to express
      approbation. (Obs.) --Chaucer.

   To claw (one) on the gall, to find fault with; to vex.
      [Obs.] --Chaucer.
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