The Collaborative International Dictionary of English v.0.48:

Avale \A*vale"\, v. t. & i. [F. avaler to descend, to let down.
   See Avalanche.]
   1. To cause to descend; to lower; to let fall; to doff.
      [Obs.] --Chaucer.
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   2. To bring low; to abase. [Obs.] --Sir H. Wotton.
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   3. (v. i.) To descend; to fall; to dismount. [Obs.]
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            And from their sweaty courses did avale. --Spenser.
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