Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An unofficial holiday observed in all 50 states of the United States, most often on the last Friday in April, for the public planting of trees.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. The national holiday celebrated by planting a tree; the last Friday in April.

from the GNU version of the Collaborative International Dictionary of English

  • adj. a day appointed for planting trees and shrubs.

from The Century Dictionary and Cyclopedia

  • n. In some of the United States, a day of each year set apart by law for the general planting of trees wherever they are needed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a day designated for planting trees

Etymologies

Sorry, no etymologies found.

Examples

  • As the nature-themed spot illustration on the home page of a popular search engine no doubt reminded you, today is Earth Day. 40 years old today, Earth Day exists to "inspire awareness and appreciation for the Earth's environment," and its creation relegated the "OG" nature lover's holiday, Arbor Day, to relative obscurity.

    Earth to Bikes: "Save Me!"

  • For Arbor Day, I have but one resolution: there are few ways for me to incorporate trees into my life, although this is an option for some people.

    Enviromonth | Mind on Fire

  • The community of over 7,200 is surrounded by apple orchards and is the home of the national tree-planting holiday, Arbor Day.

    Archive 2006-01-01

  • I got confused about when Arbor Day was and wrote some of this post on Kentucky’s Arbor day…apparently, most states have a different arbor day, a day when they celebrate their particular arbor of choice in Kentucky’s case, the Tulip Poplar.

    Enviromonth | Mind on Fire

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