noun
- plural of arboretum; botanical gardens devoted to trees and shrubs
Examples
- The university maintains two arboretums on its campus.
- Many arboretums offer guided tours during spring blooming season.
- Local arboretums provide educational programs about native tree species.
- The city’s arboretums attract thousands of visitors each year.
- Research scientists study climate adaptation in these arboretums.
- Several arboretums in the region specialize in rare oak varieties.