from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A flat
triangularpiece of plasticor other material, having cornersof precise angles, used in technical drawing
- noun a
right angletool used to determine if two surfaces join at a 90-degree angle, composed of two arms, usually made from metal.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a try square with an adjustable sliding head
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