Definition: "Arboreal" refers to a living organism that resides in or around trees, often characterized by its slender form, small size, and extensive foliage. Definition: The term "arboreal" describes organisms found in or around trees, which have a slender and small body structure, typically less than 1 meter tall. These creatures are known for their ability to grow rapidly from the ground without root growth. The foliage of trees can sometimes be seen as arboreal, but not all trees may belong to this group.