ar·​bo·​re·​tum | \ ˌär-bə-ˈrē-təm How to pronounce arboretum (audio) \
plural arboretums or arboreta\ -​ˈrē-​tə How to pronounce arboreta (audio) \

Definition of arboretum

: 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 330-acre arboretum, located just west of Valparaiso, transforms into an exciting outdoor classroom. Douglas Clark, Post-Tribune, "Guest column: Summer camps abound at Purdue University Northwest," 31 May 2018 Recent incidents include a black bear taking over the Juneau arboretum and another bruin that shut down a fish-cleaning facility. Fox News, "Alaska's human-bear conflicts are on the rise, experts say," 26 Sep. 2018 This is a really exciting opportunity for the arboretum to become part of a university and to advance the learning, research and engagement in Northwest Indiana. Jessi Virtusio, Post-Tribune, "Gabis Arboretum gears up for Family Fishing Day in Valparaiso," 10 May 2018 Thanks to their extensive contacts, knotweed found a home in arboretums, botanical gardens and even Central Park. Amanda Foreman, WSJ, "Overrun by Alien Species," 1 Nov. 2018 The pine is, by far, the oldest plant in the arboretum's bonsai collection and is being honored this week for the 70th anniversary of the Hiroshima bombing. Lauren Smith, House Beautiful, "This Bonsai Tree Survived an Atomic Bomb," 7 Aug. 2015 On June 10, the day after the National Cereal Festival, is Carboretum, the arboretum’s classic car show, making it a very nostalgic weekend in Battle Creek. Richard Selden,, "Battle Creek dishes up cereal — with a side of nostalgia — at breakfast-food bash in June," 22 May 2018 The arboretum staff, not quite to the point of naming the exotic bird, have decided to just tolerate the big bird for now. Molly Glentzer, Houston Chronicle, "The Houston Arboretum’s newest resident: An exotic peacock," 15 June 2018 The arboretum features a rose garden, tropical greenhouse, herb garden, a large lake, aquatic garden, and exotic plant collections from far-off places like Australia, Africa, and Madagascar. Hadley Meares, Los Angeles Magazine, "10 Historic L.A. Places to Visit on a Sunny Day," 14 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arboretum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arboretum

1796, in the meaning defined above

History and Etymology for arboretum

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

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Time Traveler for arboretum

The first known use of arboretum was in 1796

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English Language Learners Definition of arboretum

: a place where trees and plants are grown in order to be studied or seen by the public


ar·​bo·​re·​tum | \ ˌär-bə-ˈrē-təm How to pronounce arboretum (audio) \
plural arboretums or arboreta\ -​ˈrē-​tə \

Kids Definition of arboretum

: a place where trees and plants are grown to be studied

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Rhyming Dictionary: Words that rhyme with arboretum

Britannica English: Translation of arboretum for Arabic Speakers Encyclopedia article about arboretum

Comments on arboretum

What made you want to look up arboretum? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

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