IPA: /ˌɑːrˈbɔːr.i.əs/
KK: /ɑrˈbɔrɪəs/
Relating to or having many trees; wooded.
The arboreous landscape was filled with tall, green trees.
Arboreous → It is formed from "arbor" (from Latin, meaning tree) and the suffix "-eous" (meaning having the nature of). The word "arboreous" describes something that has the nature of or is characteristic of trees.
Think of the Latin word for tree, 'arbor', to remember that 'arboreous' means having the nature of trees.