Straightedge
['streɪtedʒ] or ['stret,ɛdʒ]
Definition
(noun.) hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness).
Inputed by Abner--From WordNet
Definition
(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.
Editor: Nicolas