IPA: /ɑːrˈbɔːriəl/
KK: /ɑrˈbɔrɪəl/
Relating to or living in trees.
Many species of birds are arboreal, spending most of their time in the treetops.
Arboreal is formed from "arbor" (from Latin, meaning tree) and "-eal" (a suffix used to form adjectives). The word "arboreal" refers to something that is related to or resembling trees.
Think of the Latin word for tree, 'arbor', to remember that 'arboreal' describes something that is related to trees.