A day dedicated annually to public tree planting in the US, Australia, and other countries.
More 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'.
Definition of Arbor Day in:
- The US English dictionary