Arbor Day


: a day designated for planting trees

Examples of Arbor Day in a Sentence

Recent Examples on the Web Earth Day Festival Cupertino’s annual Earth Day and Arbor Day Festival is set for Saturday, April 20, 11 a.m.-3 p.m., at Library Field Park. Anne Gelhaus, The Mercury News, 7 Apr. 2024 Arkansas Arbor Day is celebrated annually on the third Monday of March. Nwa Democrat-Gazette,, 13 Mar. 2024 Earth Day help Cupertino is looking for tabling partners, volunteers, performers and sponsors for the city’s 16th annual Earth and Arbor Day festival, set for Saturday, April 20, 11 a.m. to 3 p.m., at the Cupertino Library Field, 10800 Torre Ave. Anne Gelhaus, The Mercury News, 18 Feb. 2024 The quantity and quality of a natural understanding The Arbor Day Foundation is another national nonprofit using a blend of data and local expertise to help increase forest cover across the United States. The Arizona Republic, 24 Jan. 2024 Guided tree tour and tree care tips in the Kleiner Park Arboretum (11 a.m.); Arbor Day Ceremony (noon) with proclamation reading, Tree City USA presentation, a tree planting and evergreen seedling give-away; Kleiner Park community garden tour and seed swap (12:30 p.m.). Michelle Jenkins, Idaho Statesman, 31 Jan. 2024 Trees add a new layer of wood between the bark and the trunk each growing season, according to The Arbor Day Foundation. Erica Lamberg, Fox News, 21 Jan. 2024 In April, the town celebrated Tree City USA designation, an award presented to the town by the Maryland Department of Natural Resources at the Springfield Hospital Center’s Arbor Day Tree planting ceremony. Sherry Greenfield, Baltimore Sun, 17 Jan. 2024 Everybody knows what a tree is, so why doesn’t Arbor Day just shut the f— up and go with Tree Day. Michael Schneider, Variety, 17 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Arbor Day.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin arbor tree

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of Arbor Day was in 1863

Dictionary Entries Near Arbor Day

Cite this Entry

“Arbor Day.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2024.

Kids Definition

Arbor Day

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

More from Merriam-Webster on Arbor Day

Last Updated: - Updated example sentences
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