Definition of combination square
: a measuring tool consisting of a steel rule that slides through an adjustable protractor head or level or a center head which can be fixed at any point on the rule by a lock bolt and being usable as an inside or outside try square, a marking or depth gauge, level, miter square, plumb, and straightedge
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“Combination square.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/combination%20square. Accessed 19 May. 2022.
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