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 thick, snarling vines that produced bright yellow leaves and orange berries were sought after for holiday wreaths, private landscaping, and the grounds of large arboretums. —Sophie Hartley, IndyStar, 22 Oct. 2025

The arboretum showcases seven different regions of Mexico to celebrate its heritage with displays made completely by pumpkins, gourds and squashes and sculptures by Oaxacan artists Jacobo and María Ángeles. —Fort Worth Star-Telegram, 7 Oct. 2025

According to the nonprofit, the expansion project will add 10 acres with new spaces for education and gathering as well as an arboretum and an accessible event lawn. —Idaho Statesman, 6 Oct. 2025

Visit the Portland Head Light for great photo ops where fall foliage meets the ocean, then explore the Children’s Garden, arboretum, and trails at Fort Williams Park. —Beth Luberecki, USA Today, 4 Oct. 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