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.

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Etymology

Origin of Arbor Day

An Americanism dating back to 1870–75

Example Sentences

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

From Salon • May 3, 2022

“Peanuts” is also opening its vault to release one of its classic cartoons, 1976’s “It’s Arbor Day, Charlie Brown,” on Apple TV+ on April 29 — Arbor Day.

From Seattle Times • Apr. 14, 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

On Arbor Day, the city and foundry unveiled the tree’s new bronze branch.

From New York Times • Oct. 20, 2021

Then take Arbor Day, and we have one in nearly every state in the Union.

From Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923 by Northern Nut Growers Association