\Sca*lene"\, a. [L. scalenus, Gr. ?: cf. F. scal[`e]ne.] 1. (Geom.) (a) Having the sides and angles unequal; -- said of a triangle. (b) Having the axis inclined to the base, as a cone. 2. (Anat.) (a) Designating several triangular muscles called scalene muscles. (b) 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 vertebr[ae] to the first and second ribs.
\Sca*lene"\, n. (Geom.) A triangle having its sides and angles unequal.