What is the meaning of keystone state?

noun

  • A Mid-Atlantic state; one of the original 13 colonies.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). Keystone State. Retrieved September 20, 2026, from http://smartdefine.org/keystone_state/definitions/1289535
ChicagoWordNet. 2010. "Keystone State" http://smartdefine.org/keystone_state/definitions/1289535 (accessed September 20, 2026).
HarvardWordNet 2010, Keystone State, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/keystone_state/definitions/1289535>.
MLAWordNet. "Keystone State" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/keystone_state/definitions/1289535>
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