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Arbor Day

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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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Origin of Arbor Day

An Americanism dating back to 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for arbor day

Historical Examples

  • He made no reply, going on carefully with his arbor-day practice.

    V. V.'s Eyes

    Henry Sydnor Harrison


Word Origin and History for arbor day

Arbor Day

the day set aside for the planting of trees, first celebrated 1872 in Nebraska, the brainchild of U.S. agriculturalist and journalist J. Sterling Morton (1832-1902). From Latin arbor "tree," of unknown origin.

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Online Etymology Dictionary, © 2010 Douglas Harper