Arbor Day

noun

Definition of Arbor Day

: a day designated for planting trees

First Known Use of Arbor Day

1863, in the meaning defined above

History and Etymology for Arbor Day

Latin arbor tree

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The first known use of Arbor Day was in 1863

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Cite this Entry

“Arbor Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Arbor%20Day. Accessed 6 May. 2021.

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