From Longman Dictionary of Contemporary Englisharborealar‧bo‧re‧al /ɑːˈbɔːriəl $ ɑːr-/ adjective technical or literary HBPrelating to trees, or living in trees
Examples from the Corpus
arboreal• The majority were arboreal frugivores occupying much the same niche as equivalent-sized monkeys today.• In addition, a decrease in size seems to have accompanied adaptation to an exclusively arboreal life.• This arboreal lizard is a formidable predator.• Orangs are the most arboreal of the apes.• The orang is by far the most arboreal of the great apes.• It was gone from view within seconds, swallowed up by the stark arboreal sanctuary.Origin arboreal (1600-1700) Latin arboreus “of a tree”, from arbor “tree” 