Keystone
Keystone noun - An immaterial thing upon which something else rests.
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Possibly one of the more famous Scottish ones is "The Tale of Tam O'Shanter" who, after being discovered by witches has to cross the "keystone of the bridge" in order to escape.
Source: Kill It with Water -
In Mass Effect 2, Grunt will constantly remind you to "hit the keystone" in order to continue his Rite of Passage.
Source: Continue Your Mission, Dammit! -
New York was the keystone for Britain's "Divide and Conquer" strategy, in which they tried to push north up the Hudson River in order to cut off New England from the rest of the Thirteen Colonies.
Source: Useful Notes / New York City
Cite this Source
Order and Keystone. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/keystone/order
Keystone & Order. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/keystone/order>.
Order or Keystone. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/keystone/order.
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