1. of, relating to, or resembling a tree or trees
Usage: formal or technical; less common than 'arboreal'
2. abounding in or covered with trees; wooded
Usage: formal or technical

Examples

• The arboreous landscape stretched across the valley, with tall oaks and maples dominating the terrain.
• Scientists studied the arboreous characteristics of the ancient fossil to understand prehistoric plant life.
• The region's arboreous nature made it an ideal habitat for woodland creatures.
• The architect designed the park with arboreous elements to create natural shade and beauty.
• Arboreous growth patterns in the botanical garden demonstrated the diversity of tree species.