1785, in the meaning defined above
tspt
T square
TSR
“T square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/T%20square. Accessed 28 Nov. 2024.
Britannica.com: Encyclopedia article about T square
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
See Definitions and Examples »
Get Word of the Day daily email!
Share