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A rigid flat rectangular bar, as of wood or metal, with a straight edge for testing or drawing straight lines.
adj. also straight-edge (strāt′ĕj′)
1. Having a level, even edge: a straightedge ruler; a straightedge razor blade.
2. Abstaining from alcohol, tobacco, and drugs.

straight′edged′ adj.


(Tools) a stiff strip of wood or metal that has one edge straight and true and is used for ruling and testing straight lines
ˈstraightˌedged adj


advocating abstinence from alcohol, cigarettes, drugs, and sex and sometimes advocating vegetarianism.



a bar or strip of wood, plastic, or metal having at least one long edge for use in drawing or testing straight lines, plane surfaces, etc.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.straightedge - hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)straightedge - hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)
hand tool - a tool used with workers' hands


[ˈstreɪtedʒ] Nregla f de borde recto


[ˈstreɪtˌɛdʒ] n (Carpentry) → regolo
References in periodicals archive ?
As a straightedge to protect my checkering when I clean up under the trigger guard, I use a single edge razor blade running in the top groove as a fence to file against.
When Mike jokingly painted a brown straightedge "X" on his hand with dirty turpentine, I begged him to join my band, Charles Bronson, and he did.
He covers measuring line segments, measuring angles, the triangle inequality, congruent figures, triangle congruence tests, Isosceles triangles, straightedge and compass constructions, right triangles, parallelograms, and a wide variety of other related subject matter over the course of his thirty-three chapters.
Use a straightedge to ensure your cuts are uniform.
Surface Smoothness: Maximum 8 mm deviation of 4 m straightedge.
Just buy the materials from any home center and gather up a utility knife, tape measure, straightedge, saw, dust mask, and a hammer and nails.
So I clamped a straightedge across the cabinet side to guide the cut.
The simplest virtual fixture acts like a virtual straightedge, helping operators move the robot in a straight line.
Many aspects of the plot, like the straightedge lifestyle, may be unfamiliar to teen readers.
Since early history geometrical constructions using a straightedge and a compass have occupied mathematicians, and in particular geometricians.
Parrino's drawing (1987), portrays a rectangle likely made using a straightedge, with the vertical lines longer than the horizontal.
Using a 12-foot-long straightedge, engineers confirmed that the pavement surface on that lane deviated by as much as seven-sixteenths of an inch, enough to draw plenty of motorist gripes.