Scalene

Part of speech: noun (n.)

A triangle having its sides and angles unequal.

Part of speech: adjective (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. 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.