Arbor Day

noun

: a day designated for planting trees

Examples of Arbor Day in a Sentence

Recent Examples on the Web
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The writer also notes that the campus’ landscaping has been recognized by the Arbor Day Foundation as a Tree Campus Higher Education Institution for the eighth year in a row. Fort Worth Star-Telegram, 19 Feb. 2026 The Arbor Day Foundation has recognized the City of Dunwoody as a 2025 Tree City USA, honoring its ongoing commitment to planting, growing, and maintaining trees for the benefit of the community. Cbs News Atlanta Staff, CBS News, 10 Feb. 2026 And if this one doesn't work, Arbor Day is just around the corner. Shaun McKinnon, AZCentral.com, 9 Feb. 2026 While National Arbor Day is always in April, many Floridians do not know that Florida’s Arbor Day is the third Friday in January. Larry Figart, Florida Times-Union, 14 Jan. 2026 See All Example Sentences for Arbor Day

Word History

Etymology

Latin arbor tree

First Known Use

1863, in the meaning defined above

Time Traveler
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 23 Feb. 2026.

Kids Definition

Arbor Day

noun
: a day in April set aside as a day to plant trees

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