/ Dictionary / Index S scalene: Meaning and Definition of Find definitions for: sca•lene Pronunciation: (skā-lēn'), [key] — adj. (of a cone or the like) having the axis inclined to the base. (of a triangle) having three unequal sides. of or pertaining to a scalenus muscle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scalene (Thesaurus) scale moss scalenohedron Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language