# arboretum

/ˌɑɹbɝˈitəm/ (US) · /ˈɑːbɔːɹˌɛtəm/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/arboretum
Updated: 2026-05-25

## Definition

a garden or park where many different types of trees and plants are grown for study or beauty. It is like a living library of trees.

For teachers: a collection of trees and shrubs grown for scientific, educational, or aesthetic purposes. Often used to describe a large-scale botanical garden dedicated to woody plants.

## Examples

- The local arboretum has over five hundred different types of trees.
- Students from the biology department spend their afternoons at the university arboretum to study local tree species.
- Established in the nineteenth century, the national arboretum serves as both a sanctuary for rare conifers and a vital research site for climate resilience studies.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.