A bevel angle

from The Collaborative International Dictionary of English v.0.48

Bevel \Bev"el\, a.
   1. Having the slant of a bevel; slanting.
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   2. Hence: Morally distorted; not upright. [Poetic]
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            I may be straight, though they themselves be bevel.
                                                  --Shak.
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   {A bevel angle}, any angle other than one of 90[deg].

   {Bevel wheel}, a cogwheel whose working face is oblique to
      the axis. --Knight.
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