set square

noun

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

Example Sentences

She pointed to a large pull-handle set square into the center of the control board.

From Project Gutenberg

And it is important that you should get these straight-edges at a true right angle, testing them carefully with the set-square.

From Project Gutenberg

The yards were set square across, and along them were furled royals and upper topsails.

From Project Gutenberg

Of course, we 've got the right of it, but in some way Fate has managed to leave us set square against the law.

From Project Gutenberg

Time, and right doing, would remedy and set square all that was untoward.

From Project Gutenberg