Definition of Arbor Day in English:

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Arbor Day

Pronunciation: /ˈɑːbə deɪ/


A day dedicated annually to public tree planting in the US, Australia, and other countries.
Example sentences
  • On Arbor Day schoolchildren planted trees to learn the value of reforestation.
  • Every year, we did exactly one thing; plant a tree on Arbor Day.
  • They plant trees on Arbor Day and study rocks and crystals.


From Latin arbor 'tree'.

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