Word History
First Known Use
1785, in the meaning defined above
Dictionary Entries Near T square
Cite this Entry
“T square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/T%20square. Accessed 19 Apr. 2024.
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Kids Definition
T square
noun
: a ruler with a piece fixed at right angles at one end used to draw parallel lines
More from Merriam-Webster on T square
Britannica.com: Encyclopedia article about T square
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Merriam-Webster unabridged
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