Straightedge
WordNet

noun


(1)   Hand tool consisting of a flat rigid rectangular bar (metal or wood) that can be used to draw straight lines (or test their straightness)
WiktionaryText

Adjective



  1. Living one's life against/without the use of alcohol, smoking, and illegal drugs.

Noun



  1. 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.
 
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