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cog

noun

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The first known use of cog was in the 13th century

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Cite this Entry

“Cog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cog. Accessed 13 May. 2021.

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Dictionary: Definition of cog

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Britannica.com: Encyclopedia article about cog

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