Breadcrumb Home > Dictionary > Index S straightedge: Meaning and Definition of Find definitions for: straight•edge Pronunciation: (strāt'ej"), [key] — n. a bar or strip of wood, plastic, or metal having at least one long edge of sufficiently reliable straightness for use in drawing or testing straight lines, plane surfaces, etc. straight-edge Pronunciation: (strāt'ej"), [key] advocating abstinence from alcohol, cigarettes, drugs, and sex and sometimes advocating vegetarianism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: straightedge (Thesaurus) straight chair straighten ✖ Related Content Daily Word Quiz: acronym Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language