Definition of arboretum in English:

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arboretum

Pronunciation: /ˌɑːbəˈriːtəm/

noun (plural arboretums or arboreta /ˌɑːbəˈriːtə/)

A botanical garden devoted to trees.
Example sentences
  • The Center for Plant Conservation, housed at the Missouri Botanical Garden, has organized a network of arboreta that keep endangered plants from across the United States.
  • At the northeast corner of the arboretum is the wooden Tree House.
  • It is one of the first trees in the arboretum to come into leaf and flowers prolifically with large creamy/pink blossoms in spring.

Origin

Early 19th century: from Latin, 'a place with trees', from arbor 'tree'.

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