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

Celebración de los Árboles Lisle, Illinois At The Morton Arboretum, Celebración de los Árboles (September 26-27) sheds light on the arboretum’s conservation work to protect threatened trees and ecosystems in Latin America. — Ashlyn Ware, Midwest Living, 15 Sep. 2026

For years, there was a 9/11 memorial bench somewhere around here, in the arboretum at Murray Park, the lush and surprisingly complex center of Murray, a town 10 miles south of Salt Lake City. — Andre Mouchard, Oc Register, 5 Sep. 2026

Many of the more than 50 species of oak trees native to Texas — the most of any state — are on display in a 16-acre arboretum, too. — The New York Times News Service Syndicate, San Diego Union-Tribune, 16 Aug. 2026

Tickets are $25 for arboretum members and $35 for nonmembers. — Pedro Moura, Los Angeles Times, 15 Aug. 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