What is the meaning of plumb rule?

noun

  • A plumb line attached to a narrow board. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). plumb rule. Retrieved September 20, 2026, from http://smartdefine.org/plumb_rule/definitions/1206902
ChicagoWordNet. 2010. "plumb rule" http://smartdefine.org/plumb_rule/definitions/1206902 (accessed September 20, 2026).
HarvardWordNet 2010, plumb rule, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/plumb_rule/definitions/1206902>.
MLAWordNet. "plumb rule" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/plumb_rule/definitions/1206902>