arboretum

noun

ar·​bo·​re·​tum ˌär-bə-ˈrē-təm 

plural arboretums or arboreta ˌär-bə-ˈrē-tə 

: a place where trees, shrubs, and herbaceous plants are cultivated for scientific and educational purposes

Examples of arboretum in a Sentence

Recent Examples on the Web

The arboretum also provides its own cherry blossom map, where bloom enthusiasts can explore 75 varieties of flowering cherry trees on the arboretum's campus, about 17 miles outside of Center City Philadelphia. —Kaitlyn McCormick, USA Today, 31 Mar. 2026

The advantages of the arboretum are fewer people and more variety. —Chad Murphy, Cincinnati Enquirer, 22 Mar. 2026

Although the arboretum is in a busy section of a growing city, Ramsey said the benefits of tuning out and getting in touch with nature are the same. —ABC News, 22 Mar. 2026

Speaking of the Beltline — Atlanta’s signature trail network is now home to the world’s longest linear arboretum. —Nicole Bennett, AJC.com, 20 Mar. 2026

Word History

Etymology

New Latin, from Latin, plantation of trees, from arbor

First Known Use

1796, in the meaning defined above

Rhymes for arboretum

• equisetum
• pennisetum
• decretum

Kids Definition

arboretum

noun

ar·​bo·​re·​tum ˌär-bə-ˈrēt-əm 

plural arboretums or arboreta -ˈrēt-ə 

: a place where trees and plants are grown for scientific and educational purposes