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Arbor Day

American  

noun

  1. a day, varying in date but always in the spring, observed in certain states of the U.S. by the planting of trees.


Etymology

Origin of Arbor Day

An Americanism dating back to 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dan Lambe, chief executive of the Arbor Day Foundation, a nonprofit focused on inspiring people to plant trees, hailed the project.

From Los Angeles Times • May 23, 2026

The solutions to these problems are more important than ever, Dan Lambe, CEO of the Arbor Day Foundation, said Wednesday.

From Seattle Times • Nov. 16, 2022

It may be Arbor Day, but it's generally a tough time to be a tree lover.

From Salon • May 3, 2022

Sarah Stockstill was working as a teacher when a bunch of trees were brought in to celebrate Arbor Day.

From Washington Post • Nov. 19, 2021

The birds with gladsome voices sing, Each its melodious lay, And music swells each little throat On this, the Arbor Day.

From Ohio Arbor Day 1913: Arbor and Bird Day Manual Issued for the Benefit of the Schools of our State by Clifton, Grace R.

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