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 Tree Walk will bring you through over 150 varieties of trees, displaying the park’s arboretum of rare and native trees. — Kaitlyn Keegan, Hartford Courant, 10 July 2026

About $38,000 when including the floral domed arboretum, nearby planters, and the arrangements decorating the ground and path leading up to the structure, Greer explained. — Bailey Bujnosek, InStyle, 2 July 2026

In August 2024, the university unveiled a memorial garden dedicated to the four victims at the edge of campus near the arboretum. — Kevin Fixler june 26, Idaho Statesman, 26 June 2026

Autumn brings crisp air, colorful foliage in the forests and arboretums, roaring fires, and comforting, warming dishes. — Lindsay Cohn, Travel + Leisure, 13 June 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