from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rigid flat rectangular bar, as of wood or metal, with a straight edge for testing or drawing straight lines.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Living one's life against/without the use of alcohol, smoking, and illegal drugs.
- n. A tool which is flat, rectangular and commonly made of wood, metal or plastic and is used to draw, cut or check the straightness of straight lines.
from the GNU version of the Collaborative International Dictionary of English
- n. A board, or piece of wood or metal, having one edge perfectly straight, -- used to ascertain whether a line is straight or a surface even, and for drawing straight lines.
from The Century Dictionary and Cyclopedia
- n. A bar having one edge, at least, as straight as possible, to be used as a fiducial line in drawing and testing straight lines.
- n. A wooden board or metal strip, with an edge accurately planed, used in irrigation for laying out ditches in connection with a level or plumb-bob and in place of a surveyor's level.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)
Sorry, no etymologies found.
The lines will not be perfectly straight, even if drawn with a "straightedge."
Professionals use a long straightedge to detect them.
Hemmed in by its straightedge boundaries, shining moons and planets of dust would swirl and turn, or glide in, through, and out of the beam's dimensions like miniature ships.
Other architects did this, but typically relied on careful measurements, a compass and a straightedge to create a precise template for the stonemasons.
And watch out for those hardcore straightedge kids.
They would be impressed if you could trisect an angle using only a compass and straightedge.
The heptagon seven sides, for example, cannot be constructed with a compass and straightedge.
With his compass and straightedge he was able to construct not just an equilateral triangle, but also a square, a pentagon and a hexagon.
At age 19, Gauss demonstrated a method for constructing a heptadecagon using only a straightedge and compass, a process that had eluded the Greeks.
Holy maholey - what's he got in that nose - a midget with a straightedge razor?