1. a botanical garden or arboretum devoted to growing pine trees and other conifers
Usage: botanical

Examples

• The university’s pinetum contains over 200 species of pine trees from around the world.
• Visitors can walk through the pinetum to learn about different coniferous species.
• The botanical garden’s pinetum was established in 1892 to study cold-climate trees.
• Students conducted research on needle structure in the college pinetum.
• The pinetum serves as both a research facility and a peaceful walking area.
• Many rare pine varieties thrive in the carefully maintained pinetum.