yardstick
US /ˈjɑːrd.stɪk/
UK /ˈjɑːrd.stɪk/

1.
a measuring rod one yard long, typically divided into inches or centimeters
:
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He used a yardstick to measure the fabric.
•
The carpenter marked the wood with a yardstick.
a measuring rod one yard long, typically divided into inches or centimeters