John Day
geographical name
river 281 miles (452 kilometers) long in northern Oregon flowing west and north into the Columbia River
Cite this Entry
“John Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/John%20Day. Accessed 27 Nov. 2025.
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Merriam-Webster unabridged
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