set square

noun

British
: a usually plastic or metal device that is shaped like a triangle and used for drawing straight lines and angles

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set (something or someone) against
set square
set/start a (new) trend
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Cite this Entry

“Set square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/set%20square. Accessed 1 Jul. 2025.

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