Definition of "arboreous" [ar•bo•re•ous]

• Relating to or resembling a tree. (adjective)
• Living in trees; arboreal. (adjective)
• Having many trees; wooded. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In Kamschatka also they assume a sub-arboreous type, as well as on the steppes of Afghanistan."
• "To the S.W. there is a group of somewhat decayed Shan Pagodas, and a Poonghie house, around which are planted mango trees and a beautiful arboreous Bauhinia,"
• "At a temple near Jaisa found the Juniper of Oongar in flower, and arboreous, attaining a height of about 40 feet."