1.
ruler; measuring stick
A flat stick marked with units for measuring length.
物差し has both a literal meaning (ruler) and a figurative meaning (standard for judgment).
Etymology
Literal use
A flat stick marked with units for measuring length, typically used in schools.
Usage
A criterion or yardstick for evaluating things.
物差し emphasizes measuring, while 定規 emphasizes drawing straight lines. In practice, they often refer to the same tool.
Related words
Related Words
Synonym:
定規 (ruler (for drawing))
Related:
測る (to measure)
Related:
巻尺 (measuring tape)