miter square

noun

Definition of miter square

: a bevel with an immovable arm at an angle of 45 degrees for striking marking lines also : a square with an arm adjustable to any angle

First Known Use of miter square

1676, in the meaning defined above

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Time Traveler for miter square

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The first known use of miter square was in 1676

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Dictionary Entries Near miter square

miter sill

miter square

miter valve

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Cite this Entry

“Miter square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/miter%20square. Accessed 27 Oct. 2021.

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