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three-square

American  
[three-skwair] / ˈθriˈskwɛər /

adjective

  1. having an equilateral triangular cross section, as certain files.


three-square British  

adjective

  1. having a cross section that is an equilateral triangle

    a three-square file

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of three-square

1400–50; late Middle English thre square threefold, modeled on foursquare

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

According to one account, the sulfurous stank emanating from the White House lawn polluted the air for about three-square miles.

From Salon Apr. 9, 2023

What if you weren’t merely confined to your house or apartment or the three-square feet of hot-desk space provided at your company’s headquarters, 45 soul-killing minutes from where you live?

From New York Times Oct. 15, 2021

To qualify, residents must have lived in a roughly three-square mile area in Peshtigo and lived in or owned a residence with a private well between Jan. 1, 1965, and Dec. 31, 2020.

From Washington Times May 7, 2021

The Revolutionary Guard is known to maintain a presence on the heavily-guarded three-square mile island.

From Time Jan. 12, 2016

Hence, in a very short time they’d have a pretty complete aerial report on what amounted to about a three-square - mile area.

From "The Milagro Beanfield War" by John Nichols

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