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set square

British  

noun

  1. a thin flat piece of plastic, metal, etc, in the shape of a right-angled triangle, used in technical drawing

"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

Example Sentences

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They’ve got to set square and they’ve got to punch.

From Washington Times Sep. 14, 2015

The word itself is derived from the Latin "normalis" meaning a right-angle corresponding to a set square or carpenter's tool.

From BBC Sep. 9, 2015

He is depicted on his tomb with his tools - a set square and a plumb line.

From BBC Dec. 25, 2013

The symbolism of the stonemason is still widespread in freemasonry, with set square and compasses frequently appearing on aprons and other ornaments, often with the addition of an "all-seeing" eye.

From The Guardian Jun. 5, 2013

He had a way of looking straight at the person he was talking to, his shoulders set square, his hands on his knees, his eyes unwavering, that always struck others as honest and open.

From "Beowulf: A New Telling" by Robert Nye

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