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

Then, the whole dish — married with bison sweetbreads — is roasted and presented in a clear bowl to resemble an arboretum. —Elizabeth Hernandez, Denver Post, 7 Aug. 2025

The surrounding grounds feature an arboretum, Italian terraced garden, walking trails, a whispering bench, over 200 varieties of lilacs, a historic log cabin and a carriage house. —Michele Herrmann, Forbes.com, 21 July 2025

Carrie Tauscher, the arboretum’s director, stands amidst it all, peering up into the canopy to look for damage. —Sophie Hartley, IndyStar, 7 July 2025

Following the ceremony, the newlyweds and their some 180 guests celebrated at a reception at Rosine Hall, the arboretum’s 5,000-square-foot event space, according to People. —Martha Ross, Mercury News, 2 July 2025

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