English Reference

Word

arboretum

Phoneticsar·bore·tum

US/ˌɑɹbɝˈitəm/

UK/ˈɑːbɔːɹˌɛtəm/

Definition

n. 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.

n. 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.”

Examples

simple

“The local arboretum has over five hundred different types of trees.”

contextual

“Students from the biology department spend their afternoons at the university arboretum to study local tree species.”

complex

“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.”

Real-World Examples

“I'm among the educators exploring children's land-based learning in a children's forest nature program in the Humber Arboretum, in the west Humber River Valley in the northwest part of Toronto.”
Phys.org · 21 Aug 2026

Etymology

Borrowed from Latin arborētum (“place with trees growing, plantation of trees”), from arbor (“tree”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference