1.
ruler, straightedge
A flat instrument with straight edges used for measuring length or drawing straight lines.
定規 refers to a ruler used for measuring or drawing straight lines. The term emphasizes the straightness and precision of the tool.
Types of rulers
Related words
Related Words
Synonym:
物差し (ruler (alt. term))
Related:
メジャー (tape measure)
Related:
作図 (drawing a figure)