T square


: a ruler with a crosspiece or head at one end used in making parallel lines

Word History

First Known Use

1785, in the meaning defined above

Time Traveler
The first known use of T square was in 1785

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 28 May. 2024.

Kids Definition

T square

: a ruler with a piece fixed at right angles at one end used to draw parallel lines

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