Scalene

a.
  1. Having the sides and angles unequal; -- said of a triangle.
  2. Having the axis inclined to the base, as a cone.
  3. Designating several triangular muscles called scalene muscles.
  4. Of or pertaining to the scalene muscles.
  5. Scalene muscles (Anat.),
    a group of muscles, usually three on each side in man, extending from the cervical vertebræ to the first and second ribs.

n.
  1. A triangle having its sides and angles unequal.