: having an equilateral triangular cross section
—used especially of a file
1
or less commonly three-square rush
[so called from the triangular stems]
: any of various rushes of the genus Scirpus
especially
: chairmaker's rush
2
: a three-square file
Dictionary Entries Near three-square
Cite this Entry
“Three-square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-square. Accessed 1 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share