1. (measuring) ruler
Wikipedia definition
2. RulerA ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing and engineering/building to measure distances and/or to rule straight lines. Strictly speaking, the ruler is essentially a straightedge used to rule lines, but typically the ruler also contains calibrated lines to measure distances.
Read “Ruler” on English Wikipedia
Read “定規” on Japanese Wikipedia
Read “Ruler” on DBpedia
Other forms
定木 【じょうぎ】


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